Some people like to use their sense of smell to tell if food has gone off. A food safety expert explains why that’s not a good idea.
The 10km wide Petermann Fjord in northern Greenland. The author’s icebreaker ship is a small dot in the middle. The cliffs on either side are a kilometre high. In the distance is the ‘ice tongue’ of the glacier flowing into the fjord.
Martin Jakobsson
A new study shows that river barriers, similar to those built by beavers, can protect areas at risk of flooding by storing water upstream.
Unrest: the murder of Mahsa Amini sparked an explosion of protest on the streets of Iran, which has been met with brutality by the country’s security forces.
EPA-EFE/stringer
Tracking the many physical and emotional symptoms of menopause with a website, app or diary can help women better monitor their health.
Kurds and their sujpports demonstrate in Lausanne to protest the 100th anniversary of a treaty which denied them a homeland.
EPA-EFE/Jean-Christophe Bott