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"They can deliver an agonising bite and its venom attacks the nervous system, causing severe pain and a drop in blood pressure..."
Jo Price explains all you need to know about the Gila monster, including how its venom has helped save lives
Baby elephant suck their trunks, like human babies suck their thumbs. Here's why they do it...
"It's finer than human hair and can endure temperatures as low as -40°C." How on Earth do spiders make silk?
We take a look at just how spiders make their silk. Did you know they can make different fibre strengths for different tasks?
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11 spectacular rat facts you (probably) did't know about one of the world's most vilified species. You won't believe number 9...
Despite their slightly bad press, rats are intelligent and fascinating creatures. From their super-sensitive whiskers to their surprising ability to laugh, there's plenty to admire about these impressive animals
These bees aren’t vegetarian – they’re flesh-eaters and can smell food from half a mile away
Some bees have a taste for flesh, as the National Geographic TV series Secrets of the Bees explores
Two spiders were sent to the International Space Station. Scientists were surprised to see what happened next
Two ‘spidernauts’ were studied to see how they adapted to microgravity – with surprising results
"It’s all very well squeezing the living breath out of your victims before swallowing them whole, but how do you avoid asphyxiating yourself in the process?"
Researchers reveals how these heavy-bodied snakes consume prey while inhaling and exhaling.
Satellite images reveal more than 1,000 unmapped coral reefs in Australia
The discovery of thousands of previously unchartered coral reefs could reinforce conservation efforts in northern Australian waters, say researchers.
"It's the largest biomechanical event on Earth. Just 3 lunges burn as much energy as an average human." Just how do baleen whales eat so much without teeth?
All you need to know about how baleen whales manage to eat such vast quantities of prey
Camera traps film predators descending on cave filled with 40,000 bats. What happens next is staggering
Incredible footage from Python Cave in Uganda shows leopards, monkeys and eagles all catching and feasting on virus-riddled fruit bats. Scientists say the behaviour has never been seen before.
The Colorado River vanished for 5 million years. Scientists may have just figured out where it went
University of California researchers may have solved the mystery of the US river's disappearance from the geological record.
“Imagine a rainbow-coloured kitten, shrink it down to the size of your fingertip and add a few more legs.” It’s time to rethink these tiny and cute killers
Tiny, cute and charismatic, jumping spiders open the door to a new world of eight-legged wonders
"Then there's those long, fang-tipped jaws..." 6 most cunning, devious spiders that manipulate, seduce and stalk their way to a successful kill
Meet the world's most cunning spiders, from the cannibalistic assassin spider, to the vampire spider with a penchant for human blood.
"It had big eyes, a large head, chubby cheeks, and short, stumpy legs." The 6 dinosaurs that would make the very best pets - if humans had been around
Not all dinosaurs were massive, meat-eating monsters; some were no bigger than labradors, covered in downy feathers, and cuter than buttons…
Millions of years old and still here... What exactly is a living fossil?
Ben Garrod takes a look at what is meant by a living fossil
What's the most dangerous animal in the USA? AND just how deadly is it to humans? Clue – it's responsible for a whopping 440 deaths a year
What animals are in the running for the title of 'most dangerous animal in the USA'? Stuart Blackman takes a look at the contenders...
This diver was exploring the Great Barrier Reef, when he noticed something strange…
Some fish can communicate with other species by changing the colour of their bodies – as this incredible footage shows.
“Rearing up, each reveals its two-pronged penis.” Meet the creature that fences with an unusual body part
The animal kingdom is full of bizarre mating rituals – and one of the oddest must surely be the Persian carpet flatworm
It can be seen from space, is the size of Morocco and home to animals found nowhere else on Earth
5.5 million bees found beneath New York State cemetery. It's one of the largest populations ever recorded
Millions of mining bees are living in the soil of Ithaca's East Lawn Cemetery, new study finds
Fungi may survive extreme conditions of Mars and space, say scientists
New study suggests microbes could survive the long trip to Mars
Just how many species are there? Millions if you count animals, plants and fungi... Here's an estimated guess...
Just how many different species are there? To date nobody has a precise answer - but it doesn't stop scientists trying to work it out...
Which animal has the biggest testicles? Clue... "They're an impressive 14% of its body mass. Imagine if a human's were 14% of its body mass…"
Karim Vahed takes a look at which species has the biggest testicles
Huge manta ray spotted with chunk of body missing. Divers think they know what caused it
Manta rays can sometimes heal from injuries such as shark bites but more serious wounds can be fatal.
