Ocean warming is already spreading diseases and killing corals
It is one of our greatest hidden challenges – and we are completely unprepared, says the International Union for Conservation of Nature
Without oxygen from ancient moss you wouldn’t be alive today
The earliest terrestrial plants, such as moss, made a surprising contribution to the levels of oxygen in the atmosphere some 400 million years ago
Lead in Australia’s drinking water is leaching from brass taps
Tap water in samples from across New South Wales can contain unsafe lead levels, probably down to brass tap fittings
First Americans must have arrived by sea, not via Alaska
A study of prehistoric DNA has challenged the established theory that says people first reached the Americas via a land bridge in the Arctic
Genius crow’s tool-bending behaviour may be natural to its kind
Betty the crow astounded scientists with its ability to bend a piece of garden wire into a neat hook back in 2002. Now it looks like wild crows do it all the time
Dog sperm quality decline is blamed on pet food chemicals
Sperm quality in dogs is falling rapidly, a trend now linked to environmental pollutants, which could help explain the purported decline in human fertility
More than 60 per cent of coral reef in Maldives hit by bleaching
High sea temperatures have caused a mass bleaching of coral reefs in Maldives in the Indian Ocean, affecting 60 per of its reefs – and more in places
Record-breaking year shows Earth’s climate is in real trouble
Our planet's “annual physical” check-up finds it severely ill, with dozens of various climate records broken last year
Large carnivores under threat as prey they depend on decline
Up to 60 per cent of prey species of iconic predators, such as the clouded leopard, are threatened, which puts them at risk of extinction, too
First diagnosis of dinosaur arthritis shows it lived in pain
The 70 million year old dinosaur must have lived in pain as it had septic arthritis, an especially nasty form of the disease caused by infection