The new intervals may cause some confusion for chemistry students trying to decide which atomic-weight values to use when making precise calculations.

Kepler has collected huge amounts of data, and researchers have had time to go through just about half of it so far.

With 32 percent of children experiencing bullying by a sibling, researchers encourage parents to notice and intervene.

These frogs take paternal instinct to the next level by swallowing and protecting newborn young until fully-developed. Discovered by Charles Darwin in 1834, this species' forest habitat is disappearing due to the growing wood and paper industry in Chile.