News
- Physics
A tiny gold ball is the smallest object to have its gravity measured
A gold sphere with a mass of about 90 milligrams pulled on another sphere in accordance with Newton’s law of universal gravitation.
- Health & Medicine
An experimental toothpaste aims to treat peanut allergy
By rolling an immune therapy into a toothbrushing routine, a company hopes to show its product can help build and maintain tolerance to allergens.
- Environment
The world wasted nearly 1 billion metric tons of food in 2019
A new United Nations global food waste report shows where waste can be reduced, which would decrease hunger and greenhouse gas emissions.
