It’s the latest trend in the world’s tech capital. But is it really possible to cut yourself off from everything in life that excites you – and can it be any good for you?They have done biohacking, clean sleeping and the keto diet, but now Silicon Valley types have coined a new health trend – dopamine fasting. It is thought that depriving yourself of the neurotransmitter, a chemical...

Indian Ocean dipole events, linked to bushfires and floods, are becoming stronger and more frequent, scientists sayGlobal heating is “supercharging” an increasingly dangerous climate mechanism in the Indian Ocean that has played a role in disasters this year including bushfires in Australia and floods in Africa.Scientists and humanitarian officials say this year’s record Indian Ocean dipole,...

Fear of clusters of holes and cracks, called trypophobia, may be evolutionary in origin. But as details are shared, it is becoming a social contagion. By Chrissie GilesJulia was around 11 years old the first time it happened. She let herself into her dad’s apartment in Malmö, Sweden, dropped her schoolbag and flopped on to the sofa. She switched on the TV and turned to her favourite channel in...