For flowering plants, reproduction is a question of the birds and the bees. Attracting the right pollinator can be a matter ...

Bulls charge at movement, not red; they see mostly blue and yellow. Red capes in bullfighting hide blood stains better, making them traditional. Science shows bulls react the same to moving objects, ...

Although the chemistry of autumn colours is well understood, there is an ongoing and lively debate among scientists about why trees evolved their vivid autumn colours in the first place. Driving north ...