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Extremely short X-ray pulses from a free-electron laser are helping to clarify how phytochromes respond to light, but puzzles remain.

Applying big-data analytic techniques to brain images from 18,707 individuals is shedding light on the influence of aging on the brain.

A gene associated with Parkinson’s disease regulates mitochondrial homeostasis, thus affecting innate immunity.

The structure of pannexin 1, a channel protein with a large pore, has been determined for the first time.

The response of bacteria to the threat posed by phages depends on their local environment.

Experiments on mice have shown that developmental processes are influencing the generation of phenotypic variation in a way that shapes evolution.

Ribosomal profiling has shed new light on how ribosomes can ignore stop codons in messenger RNA.

A study of 3,500 children in the UK shows that data on socioeconomic background and previous educational achievements can better predict how students will perform at school than genetic data.

A whale leaping above the surface expends an enormous amount of energy, displaying its health and strength to peers and potential mates.

Structures in the inner ear can help determine the evolutionary relationship between extinct and living primates.