Debbie Graham
Recent articles by Debbie Graham
It can be seen from space, is the size of Morocco and home to animals found nowhere else on Earth
Why do cockchafers have such weird, feathery antennae?
It's the size of Gambia and one and a half times deeper than the Grand Canyon – Discover Earth’s most mysterious underwater giant
Underwater robot discovered record-breaking creature the size of a car that could be thousands of years old, one mile down in the Pacific Ocean
All you need about the biggest sponge in the world
Are humans still evolving or is this as good as we get?
It’s often said we’ve transcended our biological constraints and stopped evolving, but that’s simply not true…
“This colossal, complex city – the size of 2 tennis courts with thousands of rooms, from classrooms to ventilation units – was built by millions of hard-working architects”
They're 2 metres long, 10,000 times heavier than the males and can even rip off the infamous Portuguese man o’war's tentacles and wield them as weapons
Sneaky tricks, killer toxins and exploding penises: Evolution’s 7 wildest battles for supremacy and survival
Evolutionary war drives ingenuity at every scale, says Jules Howard
"It exposes natural selection as little more than an unskilled electrician choosing to buy a cheap extension lead and hide it under the carpet."
"If it reaches the nervous system it can cause meningitis – meaning headaches, nausea, vomiting, fever..." A deadly parasite that could be in your garden
How one slimy garden pest can make you ill
It builds skyscraper cities full of cosy, egg-shaped hammocks 30 metres above the ground
If Coco Chanel gave the common blackbird a makeover, the result would be the oropendola. With a minimalist colour palette and an occasional pop of colour, these mid-sized birds ooze chic simplicity.
"It repeatedly swam away from and then back to the corpse, touching it and swimming in circles underneath it" – 7 animals that mourn the dead
From dolphins to elephants, some animals show remarkable awareness of death. Discover7 species that appear to turn the death of family members...
Why did a T-Rex have such ridiculous, puny arms?
It’s not just humans who love a strong jawline...
9 deadliest duos: The gruesome twosomes forming lethal partnerships to maximise killing power
om coordinated ambushes to unlikely cross-species alliances, these deadly double acts prove that in the wild, two predators can be far more lethal than one
"In evolutionary terms, sex is inefficient" So why do animals have sex?
A sexually reproducing population, in which only half can give birth, grows at half the rate of an asexual one in which everyone can - so what are the benefits of sex?
"It came up with a mako shark in its mouth, eating some, then delivering the rest to – me. What happened next was extraordinary..."
Out of season, the chances of seeing wildlife might be lower but, the encounters can be even more incredible, as these wildlife lovers learned when they came face to face with orcas.
Are humans really the only species that trade?
"We saw a severely exhausted humpback whale entangled in rope and chain. It was a heartbreaking sight" Watch remarkable video of an incredible rescue
These whale researchers were looking for their tagging equipment when they found an entangled whale. They knew they had to act – and fast
It has hundreds of teeth on its eyeballs? Yes - well sort of...
Did you know whale sharks hide a curious armour of tooth-like scales across their eyes?
"Trying to pull the hook out might have driven it in further and caused the turtle serious pain and distress. And we had nothing with us to remove it..."
A group of snorkellers found themselves face-to-face with a hooked turtle. Could they free it from the caught line without anything on them?
Looks that kill: It has 12 eyes and a fearsome array of biting, slicing mouthparts that are able to tear prey to shreds
Is this nature's best looking killer beetle?
It's the equivalent of a humongous 1,500 soccer fields and is 8,650 years old
This humongous fungus is the biggest organism in the world
“She carried her dead baby for 4 days" - do animals need to stare death in the face for closure?
A grieving gorilla and a human theory of loss reveal why witnessing death firsthand may be a crucial – and often denied – part of saying goodbye
