Science/Nature

The algae that terraformed Earth

Image copyright Stuart Hay/ANU Image caption The biomolecules were contained in oil extracted from deeply buried rock A planetary takeover by ocean-dwelling algae 650 million years ago was the kick that transformed life on Earth. That’s what geochemists argue in Nature this week, on the basis of invisibly small traces of biomolecules dug up from […]

Science/Nature

A licence to kill bear cubs?

Hunters in Alaska can now shoot and bait bear cubs and hibernating bears on national wildlife refuges after President Trump abolished protections put in place by Barack Obama. In this video, reporter Claire Marshall joins hunter and conservationist Christine Cunningham on a bear hunt in the mountains to explore the ethical dilemmas of hunting. Source […]

Science/Nature

Freeze-dried dung gives clue to Asian elephant stress

Image copyright SANJEETA SHARMA POKHAREL Image caption Researchers freeze-dried samples on site for later analysis “Collecting fresh faecal samples is not as easy as it may sound,” says researcher Sanjeeta Sharma Pokharel. But her efforts have helped scientists in India devise a unique, non-invasive way to monitor the physiological health of wild elephants. The key […]

Science/Nature

Scotland's largest solar farm gets green light

Image copyright Elgin Energy Image caption Scotland’s largest solar farm currently is at Errol Estate in Perthshire The green light has been given for what will be Scotland’s largest solar farm. Moray Council has granted Elgin Energy planning permission for a 20MW project near Urquhart, which could see about 80,000 solar panels installed. The farm […]

Science/Nature

'Frankenstein dinosaur' mystery solved

Image copyright Getty Images Image caption About the size of a large dog: Chilesaurus was unearthed in South America Scientists have solved the puzzle of the so-called “Frankenstein dinosaur”, which seems to consist of body parts from unrelated species. A new study suggests that it is in fact the missing link between plant-eating dinosaurs, such […]

Science/Nature

Brass band on train demonstrates Doppler effect

The Doppler effect was a ground-breaking experiment conducted by Christian Doppler in 1845, which proved the universe is expanding. At a Loughborough railway station, with the help of the Great Central Railway and the Hathern Brass Band, conductor Charles Hazlewood recreates the famous experiment to prove the existence of the Doppler effect. A theory which […]