Topaz（黄晶，黄玉） is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine（氟）. Gem topaz is valuable. Jewelers call this variety ...
Emissions of the greenhouse gas methane（甲烷） into the atmosphere can be traced back thousands of years in the Greenland ice sheet. Using special analyt...
Scientists at the Gladstone Institutes have mapped the precise frequency by which genes get turned on across the human genome, providing new insight i...
In a finding that runs counter to commonly held beliefs about fresh being better, a clinical trial published October 8 by the Journal of the American ...
A study of children in the New Bedford, Mass., area suggests that low-level prenatal（产前的） mercury exposure may be associated with a greater risk of at...
Expanding production of palm oil, a common ingredient in processed foods, soaps and personal care products, is driving rainforest destruction and mass...
An African mosquito species with a deadly capacity to transmit malaria（疟疾） has a perplexing evolutionary history, according to discovery by researcher...
Warming temperatures in Ohio are a key driver behind changes in the state's landscape, and non-native plant species appear to be responding more s...
These proteins are required for melanocyte（黑素细胞） stem cell self-maintenance and, as such, correct pigmentation throughout the mice's life span. Wi...
A warming climate and rising seas will enable salt marshes（盐沼） to more rapidly capture and remove carbon dioxide from the atmosphere, possibly playing...