Why do small dogs live longer than big dogs?

You don't necessarily need a working knowledge of evolutionary theory to know that in the animal kingdom, larger beasts tend to live longer than smaller ones.

A 508-million-year-old sea predator with a 'jackknife' head

Paleontologists at the University of Toronto (U of T) and the Royal Ontario Museum (ROM) in Toronto have entirely revisited a tiny yet exceptionally fierce ancient sea creature called Habelia optata that has confounded scientists ...

When humans split from the apes

When and where did humans split from the apes to become a separate branch of bipeds? Are we an ape or not? If so, which of the living Great Apes is the closest to humans?

The legacy of John Nash and his equilibrium theory

The American mathematician John Nash, who died in a taxi accident at the weekend, is probably best known to the wider public through Russell Crowe's portrayal of him in the 2001 movie A Beautiful Mind.

Mutations that affect aging: More common than we thought?

The number of mutations that can contribute to aging may be significantly higher than previously believed, according to new research on fruit flies. The study by scientists at Linköping University, Sweden, supports a new ...

Mammals almost wiped out with the dinosaurs

Over 90 per cent of mammal species were wiped out by the same asteroid that killed the dinosaurs in the Cretaceous period 66 million years ago, significantly more than previously thought.

New insights into the evolution of the plague pathogen

The origins of the plague go back to the Neolithic Age, with the oldest findings of the causative pathogen Yersinia pestis coming from human bones around 5,000 years old. In the history of the plague, the late antique Justinianic ...

page 6 from 40