Passenger pigeon genome shows effects of natural selection in a huge population

The passenger pigeon is famous for the enormity of its historical population and for its rapid…

Paraplegic rats walk and regain feeling after stem cell treatment

Paralyzed rats implanted with engineered tissue containing human stem cells were able to walk independently and…

Bacteria in a beetle makes it a leaf-eater

A leaf-eating beetle has evolved a symbiotic relationship that allows the insect to break down pectin.…

Ancient enzyme could boost power of liquid biopsies to detect and profile cancers

Researchers are developing a new tool for liquid biopsy that can detect RNA biomarkers from cancer…

Stress can lead to risky decisions

Making decisions that require weighing pros and cons of two choices is dramatically affected by chronic…

Secrets of Ebola unlocked in the heart of devastating outbreak

In a comprehensive and complex molecular study of blood samples from Ebola patients in Sierra Leone,…

How the songbird changes its tune

Researchers have shown how the Bengalese finch, a domesticated songbird, can learn to tweak its song…

Midwifery care at hospitals is associated with fewer medical interventions

Women who gave birth at hospitals with a larger percentage of midwife-attended births were less likely…

Kill switches for engineered microbes gone rogue

Stable autonomous kill switches ensure biocontainment of living microbes designed as devices for medicine or the…

New painkillers reduce overdose risk

New opioid pain relievers that reduce pain on par with morphine but do not slow or…