Biology

How bacterial communities transport nutrients

Figuring out how bacteria bring in nutrients could point to ways of killing them without poison. More generally, this research could also reveal how small organisms cooperate by generating networks of flow patterns.

Lifespan is increasing in people who live to 65

Life expectancy data from the past 50 years shows that people who survive to age 65 are continuing to live longer than their parents – a trend that doesn’t appear to be slowing down.

New conservation approach

Findings show strong evidence for unique regions that divide plant and animal communities – a major development in centuries-long debate.

How the brain decides what to learn

Neuroscientists know a lot about how our brains learn new things, but not much about how they choose what to focus on while they learn. Now, Stanford researchers have traced that ability to an unexpected place.

New way to find relatives from forensic DNA

Investigators may be able to use forensic DNA to track down family members in public genealogy databases, creating new ways to generate leads while also raising issues about genetic privacy.