Uncategorized
- Physics
A teeny device can measure subtle shifts in Earth’s gravitational field
No bigger than a grain of rice, the heart of the instrument is the latest entrant in the quest to build ever tinier gravity-measuring devices.
- Paleontology
An extinct sofa-sized turtle may have lived alongside humans
Peltocephalus maturin was one of the biggest turtles ever, but unlike similarly sized prehistoric freshwater turtles, it lived thousands of years ago.
- Animals
By fluttering its wings, this bird uses body language to tell its mate ‘after you’
New observations suggest that Japanese tits gesture to communicate complex messages — a rare ability in the animal kingdom and a first seen in birds.
