When it comes to spatial learning males are better than females, and bold and shy individuals are better than average ones, at least if you're a lizard.
When you think about evolution, 'survival of the fittest' is probably one of the first things that comes into your head. However, new research from Oxford University finds that the 'fittest' may never arrive in the first place and so aren’t around to survive.
Palaeobiologists at Oxford University have discovered a new fossil arthropod, christened Enalikter aphson, in 425-million-year-old rocks in Herefordshire. It belongs to an extinct group of marine-dwelling 'short-great-appendage' arthropods, Megacheira, defined by their claw-like front limbs.
