The tropics（热带地区） are home to an extraordinary diversity of insect species. How great is it, exactly? We do not know, but today, researchers at the Sa...
Understanding how and why diversification（多样化，变化） occurs is important for understanding why there are so many species on Earth. In a new study publish...
The base pairs that hold together two pieces of RNA, the older cousin of DNA, are some of the most important molecular interactions in living cells. M...
Contrary to other research, a new study found that the total level of antioxidants in people's diets is not related to their risk of developing st...
Tomatoes grown on organic farms accumulate higher concentrations of sugars, vitamin C and compounds associated with oxidative stress compared to those...
Mosquitoes are able to ignore the smell of the insect repellent（杀虫剂） DEET within a few hours of being exposed to it, according to research published F...
While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is ...
In his Feb. 12 State of the Union address, President Obama singled out climate change as a top priority for his second administration. "We can ch...
It has been almost 20 years since the first genetically modified foods showed up in produce aisles throughout the United States and the rest of the wo...
Children and adolescents who watch a lot of television are more likely to manifest antisocial and criminal behaviour when they become adults, accordin...