20/06/2026

Bat rays employ a chemical cue to warn others of danger

Frightened bat rays produce a chemical cue to warn other rays of danger, a well-known anti-predator strategy for bony fish that has not been documented in cartilaginous fish until now. Oregon State University researchers ...

Eight ways to sleep well in hot weather

When temperatures rise, sleep often suffers. Hot nights can make it harder to fall asleep, increase waking during the night and leave people feeling less rested the next day.

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