Orcas: Fossil hints that killing whales is a recent adaptation

A 1.4-million-year-old fossil relative of killer whales had teeth that suggest it ate small fish rather than large marine mammals Life 7 March 2022 By Christa Lesté-Lasserre Artistic reconstruction of Rododelphis stamatiadisi Rossella Faleni A 1.4-million-year-old ancestor of orcas and false killer whales seems to have dined on small fish – which suggests its descendants … Read more

Climate change report: Humans are causing widespread and irreversible impacts, says IPCC

By Adam Vaughan Pastoralists in Kenya among the bodies of sheep and goats that died after a dramatic change from drought to cold and wet weather TONY KARUMBA/AFP via Getty Images Climate change is already wreaking widespread, pervasive and sometimes irreversible impacts on people and ecosystems globally, according to a landmark report warning it has … Read more

Animal behaviour: Female mammals that suckle another’s young have more offspring

By Christa Lesté-Lasserre Suckling piglets suckling a sow Shutterstock / Thuwanan Krueabudda Mammals that share their milk produce more offspring over the course of the year – and the benefits are even greater than those seen when nursing mothers are supported in other ways, such as being provided abundant food or parenting help. The findings suggest … Read more

With ‘Limited Amount of Time Left,’ New IPCC Report Urges Climate Adaptation

The lowly Bramble Cay melomys, a small Australian rodent, wasn’t the kind of animal that often made the news. But in 2019, it splashed across headlines. The reason? It was the first mammal to go extinct because of climate change. Named for the island where it used to live, the little rodent had been declining … Read more

Lichens are in peril because they adapt so slowly to climate change

Lichens are important for stabilising soils and providing some animals with food, but the algae within them are adapting to climate change at a rate of just 1°C every million years Life 15 February 2022 By Jake Buehler Lichen (Folmannia orthoclada) on rock in Atacama Desert. This lichen contains Trebouxia algae Matthew Nelsen One of … Read more

Science of wine: European grapes have their genetic routes in western Asia

We used to think that European wine grapes were cultivated locally, independently of grape domestication in western Asia, but grape genetics suggests otherwise Humans 21 December 2021 By Carissa Wong Red grapes ready to be harvested in a vineyard alika/Shutterstock Grapes used to make common European wines may have originated from grapevines that were first … Read more