Related topics: molecules

Analyzing the fat of killer whales reveals what they eat

Scientists are studying the diets of the ocean's top predators as they change in response to their environments. This is because how much and what they eat can affect how ecosystems function.

The search for human pheromones

"Do humans have pheromones?" asks a review published in Proceedings of the Royal Society B today. Professor Tristram Wyatt from the University of Oxford says that if we want to find out we need to start from scratch.

New sensor exploits traditional weakness of nano devices

By taking advantage of a phenomenon that until now has been a virtual showstopper for electronics designers, a team led by Oak Ridge National Laboratory's Panos Datskos is developing a chemical and biological sensor with ...

Surviving sex with black widows

Scientists have discovered that male black widow spiders, famous for ending up as their mates' post-coital supper, are not as clueless as you might think. In a series of careful experiments, a team of researchers from Arizona ...

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