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A nectar-feeding bat uses a blood-powered hydraulic process to control hair-like structures on its tongue to efficiently slurp up the sugary liquid from flowers.
 

As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.

Researchers use a protein-lipid complex found in human breast milk to increase the activity of otherwise-ineffective antibiotics against drug-resistant pathogens.

Hybrid viruses derived from an H5N1 bird flu strain can infect guinea pigs through the air.

Inflammation in the hypothalamus may induce degeneration in tissues throughout the body.

A look at some of biology’s communication networks

Children watching clips of Sesame Street inside fMRI scanners yield unprecedented insights into the functioning of their brains.

Libyan scientists, soon to be trained in countries around the world, are undertaking a massive search mission to find missing loved ones among thousands of dead bodies, casualties of the country’s recent popular revolution.

Previously unknown poisonous compounds isolated from a new species of mushroom may be responsible for the deaths of hundreds in China, but precisely how the fungus killed its victims is not clear.

A new DNA assay developed by forensic scientists helps archaeologists reconstruct eye and hair color from old teeth and bones.

Clinical researchers need programming support to streamline their work, minimize error in the data, and find new trends that can point to better treatments.

If African American researchers are ever to gain equal opportunities in science, even subtle cases of differential treatment must be stamped out.