'Cannibal' solar ejections may cause geomagnetic storms this week

Days after thunder and lightning brought the latest British heatwave to an end, a solar storm looks ready to set auroras glowing. Forecasters predict ‘cannibal’ ejections of solar radation may create mild to moderate geomagnetic storms around Earth on Wednesday and Thursday….

Testosterone promotes 'cuddling' and not just aggression, say scientists

When we think of testosterone, we probably think about stereotypically masculine traits: strength, beards and aggression. But research in rodents shows the hormone is far more complex than it might seen. In the right context, testosterone doesn’t just promote aggression. It can…