英语科普大全

Plants are attacked by a multitude of（大批的，众多的） insects and mammals. As defense against these herbivores（食草动物） they developed complex defense mechanism...

It is well known that teenagers take risks — and that when they do, they like to have company. Teens are five times more likely to be in a car a...

Ecology drives evolution. In today's issue of the journal Science, UC Davis expert Thomas Schoener describes growing evidence that the reverse is ...

Each year, approximately 150,000 Canadians have a transient（短暂的） ischemic attack (TIA短暂性脑缺血发作), sometimes known as a mini-stroke. New research publish...

An antibiotic known for its immunosuppressive（抑制免疫力的） functions could also point the way to the development of new anti-cancer agents, researchers at ...

The increased frequency of drought observed in Eastern Africa over the last 20 years is likely to continue as long as global temperatures continue to ...

Despite penicillin（盘尼西林） and the dozens of antibiotics that followed it, streptococcus（链球菌） bacteria have remained a major threat to health throughout...

Scientists have created a diamond-like lattice（晶格，格子） composed of gold nanoparticles and viral（病毒的） particles, woven together and held in place by str...

Psychologists at Harvard University have found that infants less than one year old understand social dominance and use relative size（相对大小，相对量） to pred...

The type of bacteria that colonize the placenta（胎盘） during pregnancy could be associated with preterm birth and other developmental problems in newbor...