Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...
Test your knowledge about the human digestive system... from the mouth to the bum! Help Dr Chris, Dr Xand and Dr Ronx on their fantastic voyage.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback