Science/Nature

Earliest evidence of humans outside Africa

Image copyright Prof Zhaoyu Zhu Scientists say they’ve found the earliest evidence of a human presence outside Africa. Ancient tools discovered in China suggest primitive humans were in the region as early as 2.12 million years ago. They are about 270,000 years older than the previous earliest evidence, which consists of bones and stone tools […]

Science/Nature

Were the Romans the first whale hunters?

Image copyright D. Bernal-Casasola, University of Cadiz Image caption Baelo Claudia: An ancient Roman town in southern Spain Whale bones unearthed at Roman ruins suggest the animals were hunted by humans as long as 2,000 years ago. Genetic fingerprinting evidence points to the presence of right and grey whales in the Mediterranean Sea, where they […]

Science/Nature

How to build a real time machine

Image copyright BBC / Thomas Scheidl Image caption Ron Mallett built a device that illustrates principles he believes could be used to build a time machine Travelling in time might sound like a flight of fancy, but some physicists think it might really be possible. BBC Horizon looked at some of the most promising ideas […]

Science/Nature

Major sewage pollution incidents increase

Image copyright Environment Agency Image caption Pollution: The worst type of incidents are on the increase Water companies are still not doing enough to protect streams and rivers, the Environment Agency reports. It says whilst general water quality is higher than it’s been for 100 years, the number of the worst pollution incidents has actually […]

Science/Nature

On board the flying lab testing UK wildfire smoke

Scientists are flying a lab-on-an-aeroplane through the smoke of wildfires in the north of England, testing the air as they go. Fires like the one on Saddleworth Moor are predicted to be more common than usual across the UK and Europe this summer, raising concerns about pollution. BBC Science Correspondent Victoria Gill joined researchers on […]

Science/Nature

Krill companies stop Antarctic fishing

Image copyright Greenpeace Image caption Krill live in all the world’s oceans, but mostly in the Antarctic. There may be up to 500 million tonnes of krill out there The overwhelming majority of krill companies are to stop fishing in vast areas of the Antarctic Peninsula. Krill are important because they are at the base […]