Scientists once thought it could only live for 70 years – turns out it’s double that. Here’s how they made the amazing discovery

Scientists once thought it could only live for 70 years – turns out it’s double that. Here’s how they made the amazing discovery

Whales have some of the longest lifespans in the animal kingdom, with several whale species being recorded as living for more than 100 years. In the past, researchers have used several methods to measure the longevity of this these marine mammals. They count layers in their earwax, which increase year after year; they measure a chemical […]

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Millions of dollars in funding but still no plan: can Quebec save its caribou from extinction?

Millions of dollars in funding but still no plan: can Quebec save its caribou from extinction?

The caribou of Quebec are at breaking point. The province, home to 15% of Canada’s population of woodland caribou, has seen numbers crash to about half of what they were a decade ago. For years, local First Nations people, researchers and environmental groups have criticised the provincial government’s lack of action on protecting caribou, an […]

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“One is like a motorbike while the other is a pushbike…” What’s the difference between cold-blooded and warm-blooded animals?

“One is like a motorbike while the other is a pushbike…” What’s the difference between cold-blooded and warm-blooded animals?

What’s the difference between cold-blooded and warm-blooded? The animal kingdom can be split based on how body temperature is controlled (thermoregulation): ‘cold-blooded’ ectotherms use external sources of heat, such as solar energy, whereas ‘warm-blooded’ endotherms generate internal heat via metabolism. But while this difference helps define features and behaviour, some species show that the distinction […]

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“I was dragged into the murk. I clawed at the sand in hope of grabbing a rock to hit it with and pry my leg out from its jaws”

“I was dragged into the murk. I clawed at the sand in hope of grabbing a rock to hit it with and pry my leg out from its jaws”

We were in the Jardines de la Reina archipelago off the south coast of Cuba, looking for the mysterious ‘Reina’ – a giant hammerhead that locals said had been spotted around the area. Interested to see if ‘Reina’ was indeed just one large female or in fact many different sharks, I decided to head into […]

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