12-04-05 A dose of carbon nanotubes more than doubles the growth rate of plant cell cultures（细胞培养） -- workhorses in the production of everything from lifesaving medications to sweeteners to dyes and perfumes -- researchers are reporting. Their study, t...

12-03-28 Common material such as polyethylene（聚乙烯） used in plastic bags could be turned into something far more valuable through a process being developed at the Department of Energy's Oak Ridge National Laboratory. In a paper published in Advanced Mate...

12-03-23 The percentage of electronic waste occupying our landfills has grown at an alarming rate over the last decade, giving rise to concerns about the toxicity of components used in consumer electronics. Researchers at the University of Florida are lookin...

12-03-21 A new study by researchers at MIT shows that there is enough capacity in deep saline aquifers（盐碱含水层） in the United States to store at least a century's worth of carbon dioxide emissions from the nation's coal-fired powerplants. Though questio...

12-03-02 The world's oceans may be turning acidic faster today from human carbon emissions than they did during four major extinctions in the last 300 million years, when natural pulses of carbon sent global temperatures soaring, says a new study in Science....

12-02-27 When Sifrhippus, the earliest known horse, first appeared in the forests of North America more than 50 million years ago, it would not have been mistaken for a Clydesdale（强健的挽马） . It weighed in at around 12 pounds -- and it was destined to ge...

12-01-31 Oceanographers have identified a series of ocean hotspots around the world generated by strengthening wind systems that have driven oceanic currents, including the East Australian Current, polewards beyond their known boundaries. The hotspots have f...

11-12-23 Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's Kenneth Schneider...

11-12-21 Forest thinning to help prevent or reduce severe wildfire will release more carbon to the atmosphere than any amount saved by successful fire prevention, a new study concludes. There may be valid（有效的） reasons to thin forests -- such as restorat...

11-12-09 Shifting a fraction of truck-borne freight（货运） onto trains would have an outsized impact on air quality in the Midwest, according to researchers at the University of Wisconsin-Madison. Much of that impact boils down to simple efficiency, accordi...