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Mushrooms vs fungi: what's the difference? Discover exactly what mushroom means and why fungi shouldn't be messed with
Use the word mushroom when you mean fungus? Or just confused about what they mean – here's an explanation of the two terms
This underground web of fungi is so huge it could reach the sun 1 billion times. Scientists have mapped it for the first time
The worldwide network of mycorrhizal fungi has been mapped out – and its length is astonishing
Deep-sea scientists just filmed an elusive predator with “grotesquely protruding jaw” alive for the first time
Goblin sharks are one of the most baffling species of sharks, with jaws that can protrude out of their face like a slingshot
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It's now raining 'Forever Chemicals' – and it might never stop...
Chemicals used to heal the ozone layer may be fuelling a sharp rise in trifluoroacetic acid (TFA), a persistent “forever chemical” whose global levels have more than tripled in just 20 years.
“It survives microwaving and temperatures up to 150ºC and as low as -273ºC.” These 7 biologically bizarre animals are so weird they could be aliens
From a jellyfish that cheats death to a tiny indestructible animal that can survive the vacuum of space, Earth is home to some creatures so biologically bizarre they seem like they shouldn't belong here
These baby iguanas must run for their lives – or they’ll be constricted to death by snakes. Will they make it?
Iguana hatchlings are faced with a fierce race straight after hatching in this now-iconic clip from the BBC's Planet Earth II
Toxic killers and 4m giants – meet the 9 weirdest crabs on the planet
Meet the ocean’s most extraordinary crabs – including a few that aren’t actually crabs at all
“No one’s ever seen tigers do this before.” A film crew flew a drone over an island full of big cats – and captured something extraordinary
Think you know everything there is to know about tigers? This new footage from the BBC's Tiger Island has left experts amazed
What's the most common snake in the world?
Wondering what the world's most common snake is? The answer might surprise you
This Turkish mountain has been ablaze with flames for thousands of years. Scientists think they know why
The burning flames of Mount Chimaera is a natural geological phenomenon that has occurred for thousands of years.
A remote tropical paradise is home to the world's most dangerous reptile that's armed with iron-tipped, razor-sharp teeth and a deadly venomous bite
Situated off the coast of Indonesia's Lesser Sunda Islands lies Komodo National Park, one of the planet's most extraordinary wildlife sanctuaries.
There are too many koalas in South Australia. Scientists have a solution – but it could cost millions
The boom in the koala population in the region could lead to mass starvation of the animals if action is not taken
A gobsmacking 500,000 babies born at one time in one place... That's one colossal delivery room
Almost half a million wildebeest are born within a few weeks in the Serengeti
Formidable power of crocodiles revealed in staggering slow-motion video
Dramatic footage shows two Nile crocodiles colliding in Tanzania's Serengeti National Park.
Deadly African lake appears to turn animals to stone — but the truth is even stranger
This lake is not one to go wild swimming in...
"Those that injured their legs above the femur had their whole legs lopped off..." 11 animals living surprisingly human lives – you won't believe the final one
Across the globe, wildlife is displaying behaviours that strikingly mirror our own. Here are some of the most extraordinary examples
They have a tiny penis that gets ripped off after mating
We all know the queen bee is the one bee that produces all the eggs in a hive, but how do these flying insects go about actually mating? The truth is wilder than you might imagine
Did sex stop Earth from being boring? Probably, say scientists
Earth’s earliest animals may have spent millions of years without evolving because they reproduced without sex, according to new research.
Africa is tearing itself in two faster than previously thought say experts - leading to a totally new ocean forming
One of Africa’s most important fossil regions is breaking apart faster than previously thought, scientists have discovered.
It's deep enough to swallow Mount Blanc nearly twice, is as long as Colombia – and could produce a deadly, humongous earthquake any minute
The Puerto Rico Trench is almost as deep as the K2 is high and has one of the world's weirdest gravitational pulls
The weirdest bird nests on the planet – including a 2-tonne giant and one bound together with spider webs
Discover a host of weird nests built by remarkable birds that steal, sew and regurgitate to look after their chicks
"Swarms can number 800,000 animals, and the stings from just 1,000 can kill a human." 10 deadliest, most feared, swarms on the planet
They move as one, strike without warning and leave chaos in their wake. Discover the world’s deadliest swarms – where sheer numbers turn tiny creatures into unstoppable forces
"Excellent swimmers, they can tread water for up to three days..." Just how do rats get into toilets?
“There's a rat in my kitchen, what am I gonna do?” is a lyric from the 1987 song Rat in Mi Kitchen by British reggae band UB40. That sounds bad enough but what about a rat in your toilet?
"It looks like lots of pink tongues and smells like rotting flesh." 10 weirdest orchids on the planet, including one that looks rather gruesome
We might think we know all about orchids, but these might surprise you - from stinky orchids to ghost orchids, here are ten that are weird and wonderful
