Biology

Australian rainforests may become carbon emitters

Australian wet rainforests may now be emitting carbon, reversing their traditional role as carbon absorbers.

Lead Exposure May Have Given Humans an Edge Over Neanderthals

Lead exposure for 2 million years may have given humans an edge over Neanderthals.

Challenges in Ensuring Probiotic Survival in Food

Ensuring probiotics survive food processing and digestion remains challenging.

Mental peak hits at 60, not 20s

New research suggests overall mental functioning peaks between ages 55 and 60.

Beached dolphins show Alzheimer's-like brain damage.

Beached dolphins show Alzheimer's-like brain damage linked to polluted waters.

Mother’s voice boosts brain development in premature babies

Mother’s voice recordings may boost brain development in premature babies.

Men’s brains shrink faster than women’s

Study: Men's brains shrink faster than women's, but women still have higher Alzheimer’s rates.

30 minutes less sitting daily boosts metabolism

Reducing daily sitting by 30 minutes boosts metabolism, especially in inactive adults at risk for heart disease and diabetes.

Lab-grown embryo models produce human blood cells

Lab-grown embryo models produce human blood cells, offering hope for regenerative medicine.

Scientists map microbiome hidden deep inside tree trunks

Researchers find trillions of bacteria in tree trunks, including methane producers.