Hubble shows that the beautiful spirals galaxies螺旋星云 of the modern Universe were the ugly ducklings丑小鸭 of six billion years ago. If confirmed, the fin...
An ultra-lightweight sponge海绵 made of clay泥土，粘土 and a bit of high-grade plastic draws oil out of contaminated受污染的 water but leaves the water behind. A...
The amount of time children spend in institutional（学会的，制度的） care may affect how their brains develop. That's the conclusion of a new study carried...
Using an elaborate（精心制作的） sleuthing（侦查） system they developed to probe how cells manage their own division, Johns Hopkins scientists have discovered t...
Health information written by a doctor is rated as more credible when it appears on a Web site than in a blog or a homepage, according to a study of c...
Children who are especially reactive to stress are more vulnerable to（易受的伤害） adversity（逆境，灾祸） and have more behavior and health problems than their pe...
The entry of oil companies into the realm（领域，范围） of renewable energy could present major obstacles（障碍，阻碍） for the development of a sustainable（持久的，可持续...
A medication（药物治疗） previously studied in patients with Alzheimer's disease (latrepirdine) appears well tolerated and may improve thinking, learnin...
Increased Medicare payments to physicians for outpatient（门诊病人） surgeries for bladder cancer（膀胱癌） have led to a dramatic rise in the number of these pr...
Deafness is the most common disorder of the senses. Tragically, it commonly strikes in early childhood, severely damaging an affected child's abil...