Periodic three-body orbits called Braids are less rare than thought
Repeating orbits of three celestial bodies—called braids—form more readily from four-body encounters than expected.

Microglia, brain’s key immune cells, also regulate memories
Microglia, the brain's immune cells, drive infantile amnesia in mice by regulating memory accessibility
67-million-year-old fossilized forelimb suggests this dino stole eggs
Manipulonyx reshetovi used wrist spikes and a massive claw to steal and puncture dinosaur eggs.





