Researchers make hardened wooden knives that slice through steak

The sharpest knives available are made of either steel or ceramic, both of which are man-made materials that must be forged in furnaces under extreme temperatures. Now, researchers have developed a potentially more sustainable ...

High levels of hazardous chemicals found in Canadian nail salons

A recent University of Toronto study, in collaboration with Parkdale Queen West Community Heath Center and the Healthy Nail Salons Network, shows that nail technicians in discount salons are exposed to several chemicals widely ...

Team cracks eggs for science

Avian brood parasites lay their eggs in the nests of other bird species, forcing the hosts to do the hard work of raising the unrelated young. A team of scientists wanted to simulate the task of piercing an egg—a tactic ...

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