Video: Reservoir leak releases toxic sludge in Hungary
A tide of toxic sludge has poured over the Hungarian town of Ajka,160 kilometres south of the capital of Budapest, killing four people and injuring more than 120 others.
Mystery deaths spark anger at Kiev Zoo
More than a dozen animal deaths at a zoo in Ukraine have angered animal activists, but zoo officials claim they are not at fault.
Hit the road: Australia’s best walks
The warmer months are coming, and we’ve unearthed some of the best places in the country for hiking, camping or just meandering the great outdoors.
Genetically engineered silkworms spin stronger spider threads
If you cross a spider with a silkworm, you get stronger silk that could be used for bulletproof vests, athletic clothing and bandages.
Giant fossils show penguin colours were once grey and red
Penguins only recently donned their snappy black and white coats, palaeontologists have discovered.
Scientists uncover secret of sperm production
Sperm production is the result of specific chemical signals, a new study from scientists at the University of Queensland have found.
Dolphin DNA collected from blowholes
The dolphins at the National Aquarium in Baltimore are exhaling on cue to provide scientists with samples of their DNA.
Serengeti highway would cause an ‘environmental disaster’
Plans to build a highway through the Serengeti could spell disaster for 1.3 million wildebeest that call it home, scientists say.
World’s largest wave energy device planted off UK coast
A British company has taken a major step towards harnessing wave energy by planting a grid-connected power hub in a seabed in England’s South West.
From grey to green, car spaces to get facelift for a day
Urban areas in Adelaide, Melbourne and Brisbane will be transformed to green enclaves tomorrow, with environmentalists preparing to take over parking areas for a day.
