Two new studies have identified a bizarre new type of pre-white dwarf stars covered in carbon and oxygen, which could indicate they were born in rare stellar mergers.
Goffin's Cockatoos play golf in an incredible video. This comes from an experiment exploring their ability to combine multiple objects into one tool, which may shed some light on how humans evolved to use tools.
However, the idea is still "speculative."
Gases are a state of matter with no fixed shape or volume. They have a lower density than solids and liquids.