Nasa says days on Mars are ‘shrinking’

Nasa data suggest the red planet’s rotation is accelerating every year by about 4 milliarcseconds – leading to a shortening of the day there.Research has found the brain’s ‘appetite control centre’ is different in people who are overweight or living with obesity. We hear from the study’s first author about the significance.A global study finds a link between antibiotic resistance and air pollution. Also in this episode:Portugal battles wildfires amid third heatwave of the yearSnapchat reportedly under scrutiny from UK watchdog over underage usersUrban foxes ‘bolder but not cleverer’ than rural cousinsStudy reveals key cause of restricted blood flow to brain in vascular dementia‘Meteor shower’ over Australia actually Russian rocket re-entering atmospherePassenger plane from Italy goes to Africa instead of London GatwickFollow us on Twitter #TechScienceDaily Hosted on Acast. See acast.com/privacy for more information.