More than 40 years ago, the foundation for optical tweezers was laid when Arthur Ashkin demonstrated that near the focus of a laser beam, momentum transfer between light and dielectric particles creates gradient forces large ...
According to researchers from ETH Zurich and the University of Miami, some of the largest ocean eddies on Earth are mathematically equivalent to the mysterious black holes of space. These eddies are so tightly shielded by ...
Scientists discovered a new species of a peculiar cave-dwelling snail in one of the 20 deepest cave systems in the world, Lukina Jama鈥揟rojama in Croatia. The newly discovered species belongs to a genus of minute air-breathing ...
(糖心视频) 鈥擜 new study has demonstrated that large animals have acted as carriers of key nutrients to plants and animals over thousands of years and on continental scales.
The semi-aquatic earthworms in the genus Glyphidrilus are somewhat unfamiliar species that live between the terrestrial and freshwater ecosystems of rivers, streams, canals, ponds, swamps and paddy systems. Remarkably, each ...
A coherent pathway which starts from no more than rocks, water and carbon dioxide and leads to the emergence of the strange bio-energetic properties of living cells, has been traced for the first time in a major hypothesis ...
The first unequivocal evidence that humans in prehistoric Northern Europe made cheese more than 7,000 years ago is described in research by an international team of scientists, led by the University of Bristol, UK, published ...
(糖心视频)鈥擜 new study from Stanford's Department of Chemistry reveals that the cell wall structure of Staphylococcus aureus, a bacterium responsible for a broad range of diseases, depends on growth stage and nutrient availability.
The comeback story is rare in the dot-com world, but eBay is poised for a resurgence. As part of its reboot strategy, the company is betting PayPal's international expansion on Brazil.
Comets and asteroids preserve the building blocks of our Solar System and should help explain its origin. But there are unsolved puzzles. For example, how did icy comets obtain particles that formed at high temperatures, ...
