Ubiquitous but overlooked, fluid is a source of muscle tension

Touch your toes. Feel that familiar tension in your leg muscles? A new Brown University study suggests that one source of the tension might be something that scientists have always known was in your muscle fibers, but never ...

Dragonflies perform upside down backflips to right themselves

The findings add to current knowledge of how insects fly and keep stable in the air. They could also help to inspire new designs in small aerial vehicles like drones, which can be useful for search-and-rescue attempts and ...

Best evidence yet that dinosaurs used feathers for courtship

A University of Alberta researcher's examination of fossilized dinosaur tail bones has led to a breakthrough finding: some feathered dinosaurs used tail plumage to attract mates, much like modern-day peacocks and turkeys.

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