News
- Astronomy
A study of Earth’s crust hints that supernovas aren’t gold mines
Supernovas aren’t the main source of gold, silver and other heavy elements, a study of deep-sea crust suggests.
- Neuroscience
Brain implants turn imagined handwriting into text on a screen
A person who was paralyzed from the neck down was able to communicate, thanks to brain-to-text technology.
- Psychology
Small bribes may help people build healthy handwashing habits
Getting people to wash their hands is notoriously difficult. Doling out nice soap dispensers and rewards helps people develop the habit.
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