Debbie Graham
Recent articles by Debbie Graham

"It exposes natural selection as little more than an unskilled electrician choosing to buy a cheap extension lead and hide it under the carpet."

Behind a waterfall lies a 200-metre-deep elephant cave harbouring a deadly virus that has a terrifying 88% fatality rate
This is no place for the cautious: venturing deep into the cave is a perilous gamble that only the foolhardy would attempt.

"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

It's only 32cm long, yet it can drink alcohol all day long and never get drunk or hungover

"My heart sank. I could see how helpless the mother looked, and I could only imagine how frightened and exhausted her baby must have been"
Rescuers rush to rescue this baby elephant – will they arrive in time?

Can humans and chimpanzees interbreed?
What is the likelihood of a 'humanzee'?

"As it passed mere millimetres from my body, it released a massive cloud of excrement that covered me head to fin"
While filming cetaceans in the Azores, Chris Vyvyan-Robinson gives the boat crew something to laugh about.

When scientists set a test for apes they were astounded with what happened next...
Why bonobos are more like humans than chimpanzees

"A quick tap then startles their prey into fleeing straight into the open tentacles" – A shadowy hunter that waits silently for the perfect moment to strike
When a tap on the shoulder isn't good news

Caught, plucked, and kept ALIVE: Does this deadly predator take ruthlessness to a new level, inflicting a fate worse than death on its prey?
Do Eleonora’s falcons cach migrant birds alive to eat later?
