HenryPUK

New dinosaurs in China - relative of the three-horned triceratops

Dogs perform tricks for nothing unless they see other dogs being rewarded for it...

Very strange stuff indeed about how fragile perception of the self is and how easily we are manipulated. Scientists using cameras and projectors caused people to identify other bodies, including a mannequin, as their own.

The advantages of overhand throwing have been clearly established in games like cricket, but this article suggests that the ability to throw (probably stones and spears rather than balls) could have conferred an evolutionary advantage to the human race.