Science

20 bird species can understand each other’s anti-cuckoo call

New Scientist recommends Chris Hadfield’s Final Orbit

Do black holes exist and, if not, what have we really been looking at?

Your happiness in life may not be U-shaped – here’s how it could vary

Prepare to enjoy four spectacular supermoons in a row

Kids as young as 4 innately use sorting algorithms to solve problems

The exceptionally tasty new fermented foods being cooked up in the lab

There is an odd streak in the universe – and we still don’t know why