TIL When it rains, people publish more negative posts on Facebook. Each negative post negatively affects one to two other people. The negative post spreads like contagion, negatively affecting people's moods in cities without rainfall. Social networks magnify the synchronisation of global moods.
By slightly changing the composition of the air we breathe using a small inhaler, certain migraine patients can either cut down on medication or do without it completely, as shown by a new double-blinded randomized controlled pilot study.
Forests with a diverse mix of trees can absorb more than twice as much carbon as areas with just a single species, research has found – a discovery that could help in the fight against climate change.