Quantcast
Home » Archives » Science (Page 352)

South African scientists discover complete skeleton of human relative

South African scientists said Thursday they had uncovered the most complete skeleton yet of an ancient relative of man, hidden in a rock excavated from an archaeological site three years ago. The remains of a juvenile hominid skeleton, of the Australopithecus (southern ape) sediba species, constitute the “most complete early…

Report: UK most energy efficient of world’s largest economies

It lacks the glitz or glamour of the Olympics but the UK won a race that really does matter on Thursday, taking the gold in energy efficiency. A report launched in Washington by the American Council for an Energy-Efficient Economy on Thursday ranked the UK first among the world’s 12…

Australia’s mining boom may doom Barrier Reef

Asia-bound ships queue for weeks outside the Australian port of Newcastle as an endless stream of coal trains wind their way from mine to port. Environmentalists say the nation’s unprecedented resources boom, which will see some US$500 billion pumped into gas, oil and mining projects in coming years, has come…

Breast-fed children have increased risk of nut allergies: study

SYDNEY — Children who are solely breast-fed in the first six months of life are at increased risk of developing a nut allergy, new research showed. A study by The Australian National University, published in the International Journal of Pediatrics on Thursday, investigated the link in primary school children in…

Astronomers spot first evidence of dark galaxies

SANTIAGO — Astronomers in Chile using a powerful telescope have observed what appears to be evidence of the existence of dark galaxies, the European Southern Observatory (ESO) announced Wednesday. Dark galaxies are small, gas-rich galaxies from the early universe that are believed to be the building blocks of today’s bright,…

Study finds no long-term negative cognitive effects from marijuana

While cognitive performance is negatively affected by cannabis use, the negative effects appear to completely wear off within a month, according to research published in the Experimental and Clinical Psychopharmacology in late June. “With the number of cannabis users both illicitly and licitly increasing, the question of any potential lasting…

Hubble telescope spots fifth moon near Pluto

WASHINGTON — US astronomers have found a fifth moon orbiting far-away Pluto, NASA said on Wednesday. The irregular-shaped moon, nicknamed S/2012 for now, is about six to 15 miles (10 to 24 kilometers) across, the US space agency said. Last year, astronomers reported finding the fourth moon around the icy…

Link between depression and Facebook probably unfounded, says study

Worries about a link between depression and the amount of time spent on Facebook or other social media sites are probably unfounded, a US study said this week. The University of Wisconsin School study found no basis to support the theory outlined in a study last year by the American…

Quitting smoking adds more pounds than thought: study

Quitting smoking leads to an average weight gain of four to five kilogrammes (nine to 11 pounds) in the first year — “significantly” more than previously thought, a study said Wednesday. Most of the pounds are piled on in the first three months, a team of medical researchers wrote in…

Scientists to directly link extreme weather to man-made climate change

Climate change researchers have been able to attribute recent examples of extreme weather to the effects of human activity on the planet’s climate systems for the first time, marking a major step forward in climate research. The findings make it much more likely that we will soon – within the…

Google+