Why hungry worms take risks

Whether it’s making rash decisions or feeling grumpy, hunger can make us think and act differently — ‘hangry,’ even. But little is known about how hunger signals in the gut communicate with the brain to change behavior. Now, scientists are using worms…

How the brain says ‘oops!’

Researchers have uncovered how signals from a group of neurons in the brain’s frontal lobe simultaneously give humans the flexibility to learn new tasks — and the focus to develop highly specific skills.

‘Smart’ diaper for bedside urine testing

Urine can reveal a lot about a person’s health. But physicians don’t currently have a convenient or fast way of tracking the concentration of important compounds in their patients’ urine. Now, researchers have designed a flexible sensor that fits in a …

Global bird populations steadily declining

Staggering declines in bird populations are taking place around the world. So concludes a study from scientists at multiple institutions. Loss and degradation of natural habitats and direct overexploitation of many species are cited as the key threats …

Promising treatment for dementia

A new study has found a promising new treatment for patients with behavioral variant fronto-temporal dementia, the second most common form of dementia in the under 60s — resulting in a stabilizing of what would normally be escalating behavioral issues…