Dogs cry more when reunited with their owners

Dogs and humans clearly have a special bond. But do dogs, like humans, produce more tears at times when they are flooded with emotion? A new study reported in Current Biology on August 22—which may be the first to look ...

Baby's tears and mom's libido

A substance in young mouse tears makes female mice more likely to reject male sexual advances. This research is part of ongoing efforts at the University of Tokyo to understand how animals communicate using chemicals called ...

Molecular tug-of-war could lead to new materials

Tug-of-war isn't just for play. In the chemistry world, the game could identify a Saran-wrap-like material that instantly heals microscopic tears in its own structure.

Tear gas should be banned, researchers find; here's why

The use of tear gas—particularly CS gas—as a riot control agent, cannot be reconciled with respect for fundamental human rights and should therefore be banned entirely in international law, the University of Toronto's ...

What is tear gas?

In the past week, there have been reports of tear gas being used to control crowds protesting the death of George Floyd, so questions have arisen on the dangers of crowd control chemicals.

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