Two widely used neonicotinoids（新烟碱） -- a class of insecticide -- appear to significantly harm honey bee colonies over the winter, particularly during ...
Magnetic devices like hard drives, magnetic random access memories (MRAMs), molecular magnets, and quantum computers depend on the manipulation of mag...
After cancer spreads, finding and destroying malignant（恶性的） cells that circulate in the body is usually critical to patient survival. Now, researchers...
Flowers aren't just pretty to look at, they are how plants reproduce. In agricultural plants, the timing and regulation of flower formation has ec...
What is the secret to aging more slowly and living longer? Not antioxidants, apparently. Many people believe that free radicals, the sometimes-toxic m...
A comparison of the genomes of polar bears and brown bears reveals that the polar bear is a much younger species than previously believed, having dive...
Theropod（兽脚亚目的） dinosaurs, a group which includes such famous species as Tyrannosaurus rex and Velociraptor, are often regarded as carnivorous and pre...
The power of genome-wide association studies (GWAS) to detect genetic influences on human disease can be substantially increased using a statistical t...
Scientists have used state-of-the-art imaging techniques to examine the cracks, fractures and breaks in the bones of a 150 million-year-old predatory ...
The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite（陨星） large enough to leave an eight-kil...