The intensity of land-use influences the speed of regeneration in tropical rainforests, says new research. Tropical rainforests are a priority for biodiversity conservation; they are hotspots of endemism but also some of the most threatened global habitats. The Atlantic Forest stands out among tropical rainforests, hosting an estimated 8,000 species of endemic plants and more…

Trees can live hundreds, even thousands of years. But the problem is that these trees aren’t making it to old age and according to a new study, big, old trees are in decline throughout the world which can have detrimental impacts to forest ecosystems. Old trees are crucial organisms for many ecosystems: they provide homes…

Using the power of the sun and ultrathin films of iron oxide (commonly known as rust), researchers at the Technion, Israel’s Institute of Technology, have found a novel way to split water molecules to hydrogen and oxygen. The breakthrough, published this week in the scientific journal Nature Materials, could lead to less expensive, more efficient…

Being too overweight is known to be detrimental to one’s health. But for postmenopausal women, keeping the weight down, and not letting it come back up is just as critical. A new study From Wake Forest Baptist Medical Center in Winston-Salem, NC found that gaining weight back AFTER an intentional weight loss is associated with…

Animal fats and margarine consumption in the United States have been largely replaced by palm oil, a plant-based oil that has similar cooking properties, but may not be as environmentally-friendly as commonly believed, argues a researcher in this week’s issue of Nature.

When one examines the roots of a plant, one sees a tangled mess of tendrils. It is well known that plant growth patterns are influenced by a variety of stimuli, gravity being one amongst many. On Earth plant roots exhibit characteristic behaviors called waving and skewing, which were thought to be gravity-dependent events. This is…

Chevrolet Volt owners collectively have driven more than 100 million all-electric miles since the vehicle went on sale two years ago this month. The average Volt owner travels more than 65 percent of the time in pure electric mode as the car was designed – only using the gasoline-powered generator for longer trips. By charging…

Oceanographers at the University of Rhode Island have analyzed long-term data from several anemometers in southern New England and found that average wind speeds have declined by about 15 percent at inland sites while speeds have remained steady at an offshore site.

Like all great cities, Paris has the power to draw in food and resources from all corners of the Earth. And with every meal, this food-lovers’ paradise unwittingly sketches the fate of its countryside and seashores, near and far.

As the UN climate change talks continue in Doha, Qatar, several reports over the past month have highlighted a sombre picture of the Earth’s changing climate, raising alarm bells in particular for the world’s poorest regions. A report from the World Bank launched last month (18 November) warns that the planet “is on track for…