Uncategorized

  1. Life

    Bird eggs laid in cold climates are darker, which may keep eggs warm

    A global survey of bird egg color reveals a simple trend: the colder the climate, the darker the egg.

    By Jonathan Lambert
  2. Space

    The solar system may have a new smallest dwarf planet: Hygiea

    New images reveal Hygiea is round, a final criterion for promoting the wee world from asteroid to dwarf planet status.

    By Maria Temming
  3. Humans

    Dating questions challenge whether Neandertals drew Spanish cave art

    A method used to date cave paintings in Spain may have overestimated the art’s age by thousands of years, putting its creation after Neandertal times.

    By Bruce Bower
  4. Animals

    Congolese giant toads may mimic venomous snakes to trick predators

    If Congolese giant toads mimic venomous Gaboon vipers, it would be the first reported case of a toad imitating a snake.