Spain is moving to grant basic legal rights to apes. American law schools are offering courses on animal rights. In California it will be illegal to keep a calf, pregnant hog or egg-laying hen in a pen or cage in which the animal can't stretch or turn round.
In the New York Times, Nicholas Kristof argues that these attitudinal shifts stem from the 'deep intellectual ferment' that began with one article by Peter Singer that was published in 1973 in the New York Review of Books.
Preserved tracks suggest non-avian dinosaurs used their wings to run
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Not all winged dinosaurs were necessarily capable of full flight, but this
anatomical feature may have enabled them to travel further by flapping or
gliding
2 hours ago
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