Researchers alter rodents' recollections by exciting just a few neurons

Female birds not so riveted by suitors' fancy feathers

Long difficult to estimate, date of space rocks' formation emerges with new technique

First proof of character shift documented at Japanese detector

Rapidly evolving DNA could affect sperm production

The marine mammals respond only to their own handles

Material ejected in gamma-ray bursts may be source of heavy elements

Warming may have caused huge increase in sea level

Transplanted cells can function in rodents' eyes

Some people harbor a strain of bacteria that chews through cardiac medication

The destruction is only beginning

Strange replication method and unusual genetic sequence among the mysteries

Wasps' gut inhabitants can kill or save crossbreeds

Cocktail of molecules turns adult mouse cells into embryonic-like ones

Droplets wiggle, split and coalesce into simple and dynamic configurations

Droplets wiggle, split and coalesce into simple and dynamic configurations

Study of hunter-gatherers finds few lethal raids on opposing groups

Physicists design a new mirror to reflect light

Sniffing for telltale molecules, method analyzes tissue with every cut

Early-stage research could eventually lead to gene therapy