Showing posts with label General Knowledge. Show all posts
Showing posts with label General Knowledge. Show all posts

Tuesday, 17 March 2015

Top ten best ever amazing (and surprising) nature facts!

Top ten best ever amazing (and surprising) nature facts!

DK's remarkable Natural History Book
DK's remarkable Natural History Book

I've recently been enjoying reading the nature section of Miles Kelly's Science Encyclopedia, as well as DK's remarkable The Natural History Book. Both are very informative and beautifully illustrated. Here are some incredible facts I'd like to share to help remind you just how amazing the natural world is - it's a real pity we seem to be destroying it!

Older than Civilisation Itself?

'Tjikko': World's Oldest Tree
'Tjikko': World's Oldest Tree

The world’s oldest tree is ‘Tjikko’, a spruce in Sweden. It first prouted nearly ten thousand years ago when Britain was still joined to Europe by the ice age! As for sprouting, lotus seeds have been known to germinate after being buried underground for 400 years!

However, as Tjikko continues to slowly grow, half of the world’s remaining rainforest will be cut down by 2030, while in the past 40 years alone it is believed humans have reduced the world’s flora and fauna by HALF. Tragic.

A Real Flower Bed!

The biggest flower head belongs to the Puya Raimondii plant in Bolivia, which can reach over two and a half meters, meaning the world’s tallest man can lie down on one and still not touch the edges.

Favourite Foods

Tomato - a berry not a vegetable!
Tomato - a berry not a vegetable!

Rice grains are actually grass seeds, and people around the world eat more than 600 tonnes of it every second!
Some people believe tomatoes to be the most popular vegetable in the world, yet they are not a vegetable but a fruit. They are a type of berry. Tomberry anyone?

Animal Communication: Scouse Crows?!?

Lemurs have different types of calls to indicate varying types of danger, such as whether it’s coming from the ground, the trees or the sky (Harpy Eagles like to catch and eat lemurs). Bees ‘dance’ around flowers to tell each other where the pollen is, while crows have 300 different kinds of croaks, though crows from other areas might not understand them (like speaking Scouse in America?).

Dragonfish uses light to attract prey
Dragonfish uses light to attract prey

At the bottom of the ocean, the only light is that which is generated by mysterious sea creatures attempting to communicate, such as the dragonfish or the cookie cutter shark, while the lantern fish’s whole body glows in the dark.

Small but Deadly

tiny pygmy shrew
The tiny pygmy shrew - a deadly hunter
The smallest land mammal in the world is the pygmy shrew. Shrews like to eat slugs, worms, snails and spiders. Yuck!!! They weigh less than 2 grams and are barely 6cm long, including the tail! Apparently, their saliva contains a toxin which poisons their prey.

Powerful Predators

An adult male lion can eat up to 30kg of meat in one ‘sitting’ – then doesn’t need to eat for several days afterwards. I wish I could do that!

nile crocodile
Nile Crocodile - easy to 'shut up'
A Nile crocodile has one of the most powerful bites in the world, at an astonishing 2000kg per square cm! However, the muscles they use to open their mouth with are so weak that you can hold it shut with an elastic band.

Bat-tastic Bat Caves

Mexican free-tailed bats form some of the largest colonies in the animal kingdom, numbering up to 10 million in a single cave!!!

'Lazy Tree Huggers'

koala bear baby mother's back
Koala bear baby on its mother's back

A baby koala spends the first half year of the lives in their mother’s poach, then another half year on her back. After that, they spend the rest of their lives sleeping for 18 hours a day. Nice.

High (and fast and far) Flyers

Ruppell’s vulture flies higher than any other bird, at up to 37,000 feet – which means you might even see one when looking out of an airplane window. Arctic terns fly the farthest, covering 40,000km a year and reaching nearly 1,000,000km in a lifetime! The fastest bird is the peregrine falcon which swoops down on its prey at speeds of over 300km per hour!

Reptile Skin – something we have in common!

Gecko giving a 'hi 5' with its sticky toes
Gecko giving a 'hi 5' with its sticky toes

The skin of reptiles is made of the same stuff as our finger nails – keratin. Speaking of reptiles, the beloved gecko (I say beloved because they eat mosquitoes) has about half a million tiny hairs on the skin of each of their feet, and on each of those hairs are thousands of microscopic ‘stickers’ hence their ability to walk on walls and even ceilings.

David Attenborough: Arkive
David Attenborough: Arkive

I hope you enjoyed learning something from these amazing facts. Nature is truly wonderful. I hope you can enjoy any nature around you, even if it's just a bird in a tree or a 'mooch' around a garden.
If you want to see more, perhaps visit a zoo or natural history museum, like the fascinating Clore Centre in the World Museum, Liverpool. Or if you prefer to discover things from the comfort of your own home, you can learn all kinds of things at the great David Attenborough's nature website, 'Arkive'.

If you have any other cool natural facts, please share them with us...


Monday, 23 February 2015

Top Ten Most Amazing Science Facts Ever!

Top ten best ever science facts:


Watching Big Bang Theory recently got me back into the incredible world of science. I loved watching Cosmos: A Spacetime Odyssey and went out and bought books on natural history, human history, geography, space, science and human biology.

cosmos-a-spacetime-odyssey tv series
Cosmos: A Spacetime Odyssey - one of the best documentaries ever!

Once I finally took some time out to enjoy reading them, I realised they were more amazing than any work of fiction – though it’s too bad I can’t remember most of what I’ve read! These facts come from a book that I believe should be on everybody’s shelf, Miles Kelly’s Space Encycolpedia. Concise but relatively comprehensive, I picked it up for a bargain at 'The Works':

Science Fact 1: Too small to believe

You can fit 2 billion atoms inside the full stop at the end of this sentence. See how many words Doctor Gremlin can fit inside a full stop in his Battle of the Brats here:

Doctor Gremlin Battle Brats funny children's book
Doctor Gremlin and the Battle of the Brats!

Inside each atom is mostly empty space with a few even tinier subatomic particles inside – if an atom was the size of Anfield Stadium, its nucleus would be smaller than a Subbuteo football!

Anfield from the air
Anfield from the air - on a subatomic level!

Science Fact 2: Driving on dinosaur juice

Mineral oils come from petroleum, which if formed under the ground over millions of years and made up from the bodies of tiny marine organisms like plankton – so the next time you’re in a car, just think, the engine’s being run on the remains of ancient creatures! Petroleum can also be used to make anything from DVDs to toothpaste!

Science Fact 3: A world without colour

Light travels in the form of photons. If you point a pin at the Sun, a thousand billion photons would hit the pinhead in a single second! When light shines on things, it makes them look like various colours because molecules in their surfaces reflect and absorb particular wavelengths of light.

beautiful colours
Beautiful colours... but are they real?

Science Fact 4: Robots inside us

Scientists are now designing nanobots (microscopic robots) which might actually be able to perform surgery inside someone’s body in the future. An electron microscope can focus on something just 1 nanometre (a billionth of a metre) and enlarge it 5 million times!

Science Fact 5: Deadly medicine

Of the 118 known elements in the Periodic Table, the heaviest are actually man-made.

Periodic Table

About 75% of elements are metals; iron is the most common while Mercury is the only one that is liquid at normal temperature and melts at -39 degrees – the first Emperor of China – the remarkable Qin – drank it to help make him live longer but it ended up killing him:

Qin: First Emperor of China
Qin: First Emperor of China

Hydrogen is the lightest element – a swimming pool full would weigh just 1kg – but it is the oldest element and still makes up 90% of the weight of the universe!

Science Fact 6: Colder than ice

When you hear someone cracking their knuckles, the sound you hear is actually bubbles of nitrogen gas popping inside fluid in the joints! Nitrogen becomes liquid at -196 degrees Celsius and is so cold it can be used to make ice cream – you can watch people make it sometimes at fancy restaurants:

Liquid nitrogen: making ice cream
Liquid nitrogen: making ice cream

Science Fact 7: Good vibrations

Sound is actually vibrations in the air. If you inhale helium gas, your voice becomes high-pitched because sound travels much faster in helium. It also travels much faster than air in liquids and even more so in solids. Here is an example of how your voice can travel differently through different things:

Science Fact 8: Keep your brain moist!

Water usually boils at 100 degrees Celsius but at the top of Mount Everest it takes just 68 degrees because air pressure is lower there. 85% of your brain is made up of water, as is 33% of your bones – so make sure you keep yourself hydrated or your brain will shrink!

Science Fact 9: Underwater elephants

Pressure is measured in ‘Newtons’ per square meter. The pressure at the center of the Earth (inside its core) is around 400 million Newtons, while a shark’s bite is 30 million. At the other end of the scale, the quietest sound measures 200 millionths of a Newton, while sunlight has a pressure of 3 millionths of a Newton! Water pressure at the bottom of the ocean (about 10km deep) is the same as having 7 elephants standing on your head:

Visit the bottom of the ocean: Imagine 7 elephants on your head!

The fluids inside our body have their own pressure and without them we would be crushed by the air around us!

Science Fact 10: Too hot to handle

A campfire burns at around 800 degrees, lava from a volcano at 1200. The surface of the Sun is 6000 while the Earth’s core is even hotter at 7000! However, lightning strikes at 30,000 (turning the air around it into plasma!), a murderous Hydrogen bomb can cause heat of over 40 million degrees and a Tritium bomb over 400,000,000!!!

Lightning turning air to plasma!


Well, I hope you enjoyed learning something amazing today – all we have to do is pick up a book, watch a documentary or even just go for a stroll around a park and take in some of the weird and wonderful things all around us. There must be other forms of life all around our unimaginably vast Universe, but that doesn’t make what we have right now on Earth any less miraculous in itself...


Saturday, 17 January 2015

Top Ten Amazing Space Facts

Top Ten Amazing Space Facts!

(Boost your general knowledge!)


I’ve had my nose buried in the books this week, as I’ve somewhat belatedly rediscovered my love for science (which has luckily coincided with writer’s block!).

My only regret is that I didn’t study this stuff more when I was younger (hating being stuck in school was probably one reason for that – ironic isn’t it!), as now my memory is rather damaged...

At least I suppose one benefit of having a poor memory is being able to enjoy the same thing again and again, like when my mother watches repeats of murder mysteries on TV as she can never remember ‘who dunnit’ in the first place!

Currently on the tables next to my bed, sofa and in the kitchen are the following brilliant books:

‘History Year by Year’ and ‘The Natural History Book’ from DK Publishing, the ‘Space’, ‘Body’ and ‘Science’ Encyclopedias from Miles Kelly, and (also highly recommended) Bill Bryson’s 'A Short History of Nearly Everything' – no other book is as informative and amusing at the same time!


Some of the things I’ve recently learned from the above books are just as remarkable as anything I’ve ever read in any fiction.

Over the next few weeks I’ll be sharing this information with you in the form of the 'Top Ten Amazing Facts' that I can find, starting today with the ‘Space Encyclopedia’ which covers everything from unimaginably small electrons whizzing around inside atoms to clusters of galaxies spreading out over trillions and trillions of kilometers.

It also tells us about the Earth, what it’s made of, its atmosphere, the tides, you name it! For instance, have a chew on these amazing space-related facts...

A Concise Space Encyclopedia
A Concise Space Encyclopedia


Top Ten Space facts


Space Fact 10: Crazy Cosmonaut

Cosmonaut Valeri Poliakov spent 437 consecutive days in space! He couldn’t even walk when he landed back on Earth because of the return to gravity. If the air pressure on his spacecraft were to break, his blood would have boiled! To remain in orbit 200km above Earth, he had to fly at 8 km per second. Check out this clip of footage taken by astronauts from space:

Footage of Earth from space
Footage of Earth from space

Space Fact 9: Voyager Catapult

The Voyager 2 probe has already flown over 10 billion km from Earth and is still going. It uses the gravity of planets it passes by to catapult it onwards.
Learn more Voyager 2 space probe
Learn more about the Voyager 2 space probe

Space Fact 8: Scouse Astronomy

You can see about 2000 stars at night with the ‘naked’ eye. You can only ever see 3% of what is in the universe, as the rest is dark energy and matter... Galileo was the first person to recognise the Milky Way through a telescope, describing it as ‘conergies of innumerable stars.’

My own hero of astronomy is Jeremiah Horrocks of Liverpool, who was the first person to predict and chart the transit of Venus aged just 19 years old! (if you ever visit the World Museum Liverpool, they have a really cool exhibit about him next to the Planetarium).

life of Jeremiah Horrocks
Read here about the remarkable life of Jeremiah Horrocks

Space Fact 7: Far, far away...

Light travels at 300,000 km per second (it takes 8 minutes for light to reach us from the sun). Space is so big that distances are measured in light years (ly) with 1 ly being 9.5 trillion km(!!!).

Space Fact 6: Seeing into the past!

Since the Big Bang 14 billion years ago, most galaxies have been moving outwards, with some travelling at 90% the speed of light. When your TV goes fuzzy, you are in fact watching cosmic radiation from the start of the universe itself.
When you are looking at the stars and galaxies, you are effectively looking back in time. For instance, the star Deneb is 1800ly away, so you are seeing it as it was in the time of Roman Emperor Septimus Severius in 200AD. However, the most powerful telescopes can see galaxies 2 billion(!) ly away.

Space Fact 5: We are made of star dust?

A supernova (exploding star) releases 125,000 trillion times the energy that came from the murderous Hiroshima bomb and shines brighter than 100 billion stars combined! They only last for less than a week and many of the elements that make up our bodies (such as carbon and iron) actually come from them.
Supernova Explosion
Supernova Explosion

Even brighter than a supernova is a quasar, which can glow as brightly as 100 galaxies and has the mass of a hundred million suns due to the black hole at its center.

learn more about Quasars
Click here to learn more about Quasars

Space Fact 4: Death by sand!

The heart of a star can reach 16 million degrees Celsius. A grain of sand at this temperature would burn you to death from 150 km away (COOL!).

Inside a star - how hot can it get
Inside a star - how hot can it get?

Space Fact 3: Magnetic Whiskers

Neutron (collapsed) stars are so dense that just a table spoon of one weighs about a million tons. They have incredibly strong magnetic fields (billions of times stronger than that of the Earth) which stretch atoms out into ‘frizzy’ whiskers on the star’s surface. Because neutron stars are so dense they have an enormous gravitational pull for such small space objects (they sometimes only measure about 20 km across).

Isaac Newton’s theory on gravity and his 3 other laws of motion have helped astronomers work out the pull and movement of every planet, star and galaxy they can see in the universe. He was one of the cleverest people who ever lived, but he also stared at the sun and stuck a spike in through his eye socket just to see what would happen – an eccentric genius eh.

eccentric genius Isaac Newton
Find out more about the eccentric genius Isaac Newton

Space Fact 2: Human Spaghetti

Black holes have so much gravity that they keep entire galaxies intact and spinning around them. Indeed, the reason most galaxies are brighter in the middle is because light cannot escape a black hole so it ‘sticks’ on its ‘event horizon’ (edge).

If a human were sucked into a black hole, they would be stretched out like spaghetti. Black holes (sucking you in) and white holes (spitting you out) can join together to form ‘wormholes’ which can distort space and time, as the crew of the Red Dwarf discovered in Season 6's hilarious 'Rimmerworld'.

Red Dwarf crew white hole
The Red Dwarf crew

Space Fact 1: Out of reach...

There are over 500 billion galaxies in the universe, each one containing up to trillions of stars. The Milky Way is 100,000 ly across and 1000 ly deep, containing over 100 billion stars. The sun takes 200 million years to orbit around it and the next nearest star to us is trillions of kilometers away.

It appears quite a challenge for aliens to visit us after all, and if they went to the trouble of travelling all that way, do you think they’d just hover in the sky for a moment and disappear again? Or maybe they do because they just don’t like the look of us... which is understandable!

Our galaxy: the Milky Way
Our galaxy: the Milky Way


Well, there you have it. I highly recommend that you take a break from whatever fiction you’re in the middle of (unless it's one of my books!) and also learn more about the ‘the miracle of science and nature’ and our place in the universe and how it works (we can never know enough eh).

Space distances, the size and number of galaxies, the speed and age of the Earth, if we’re not finding out about this stuff or aware that we can actually be experiencing it all around us, then are we spending our time here wisely? 

Do you have any Amazing Space Facts to share? Let us know...