Single molecule puts sperm on track

Sperm start their sprint to the ovum when they detect changes in the environment through a series of calcium channels arranged like racing stripes on their tails. A team of Yale researchers has identified a key molecule that ...

Lab experiment demonstrates form of musical evolution

(Phys.org)—A trio of researchers has conducted an experiment that they claim demonstrates musical evolution in the lab. In their paper published in the journal Nature Human Behavior, Andrea Ravignani with the University ...

Steroids may persist longer in the environment than expected

Assessing the risk posed to aquatic organisms by the discharge of certain steroids and pharmaceutical products into waterways is often based on a belief that as the compounds degrade, the ecological risks naturally decline.

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