Less than one-quarter (23%) of children with HIV/AIDS who need treatment are getting it, according to a report released by the World Health Organization (WHO) on the occasion of World AIDS Day (1 December 2011). Although treatment coverage for adults...
A new study that takes a complete snapshot of adolescent cardiovascular（心血管的） health in the United States reveals a dismal（凄凉的） picture of teens who are likely to die of heart disease at a younger age than adults do today, repor...
New research from the National Center for Family and Marriage Research (NCFMR) at Bowling Green State University shows there is substantial variation in the first-time divorce rate when it is broken down by race and education. But, there is also evid...
Barely out of nappies, four-year-old Maddy Jackson is already on the road to womanhood. 英国小萝莉曼迪杰克逊虽然年仅4岁，乳臭未干，但已经走上了成熟女性路线。 Showtime: Four-year-old Maddy performs her Dolly Parton ro...
Boys are maturing physically earlier than ever before. The age of sexual maturity has been decreasing by about 2.5 months each decade at least since the middle of the 18th century. Joshua Goldstein, director of the Max Planck Institute for Demographi...
For 20 000 years, climate variability in East Africa has been following a pattern that is evidently a remote effect of the ENSO phenomenon (El Nio Southern Oscillation) known as El Nio/La Nia. During the cold phase of La Nia, there is marginal rainfa...
The decline of large predators（捕食者） and other apex（顶点） consumers at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an international team of scientists an...
As any student who's had to study for multiple exams can tell you, trying to learn two different sets of facts one after another is challenging. As you study for the physics exam, almost inevitably some of the information for the history exam is forg...
Ground-nesting birds face an uphill（向上的） struggle to successfully rear their young, many eggs and fledglings（刚会飞的幼鸟） falling prey to predators. Now, scientists from the USA have found that some birds eavesdrop（窃听） on...
Glasses differ from crystals. Crystals are organized in repeating patterns that extend in every direction. Glasses lack this strict organization, but do sometimes demonstrate order among neighboring atoms. New research from Carnegie's Geophysical Lab...
