The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...
Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. VO2 max (maximum oxygen uptake) is the maximum rate at ...
TEXAS, USA — Scientists at The University of Texas at Austin have discovered what may be the first vertebrate hybrid created by climate change, after two bird species expanded their ranges and met in ...