Long-term data on chimpanzees adds another piece to the personality puzzle. By Laura Baisas. Published Apr 24, 2023 11:00 AM EDT.

Putting a piece into place feels like winning the grand prize in and of itself, but I must repeat: This puzzle is freaking hard. Without a concrete reference image or a single context clue, every ...

People were also seen shielding parts of the completed puzzle, hoarding piles of pieces and hiding the picture on the lid from others. The researchers found that 'border obsessives' focus exclusively ...

That’s precisely how I attack this draft guide. Over the last 18 months, I’ve collected as many puzzle pieces as I could dig up, through countless hours of tape study and conversations with ...