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West Nile surge keeps exterminator busy(視頻)

2012-10-16 09:33

Damien Sanchez says the chemical spray not only kills mosquitoes, but has a long-term repellent effect as well.

Student street clinic helps homeless(視頻)

2012-10-16 09:23

Medical students in California are getting real-world experience by helping the homeless on the streets of Los Angeles.

Number of Chinese students in US dramatically expands

2012-10-15 15:56

The number of undergraduate students from China in the US has doubled in the last two years.

Unusual Mars rock surprises rover scientist

2012-10-15 15:25

Stolper says it is difficult to conclude from this one rock whether it formed the same way such rocks formed on Earth.

Many millions suffer from depression

2012-10-12 10:30

Wednesday (October 10th) is World Mental Health Day. More than 350 million people around the world suffer from depression.

Seattle, 'City of Clocks' keeps on ticking

2012-10-12 10:28

If you’ve been to Seattle, Washington - or even just heard about it - you’d probably guess that its nickname is something like “The Space Needle City.”

Meat was main dish for early humans

2012-10-09 10:39

At least one and a half million years ago, humans considered meat a main dish, not just occasional fare.

'Haunted Houses' attract big crowds on Halloween

2012-10-09 10:32

This curious celebration of the macabre has origins in ancient pagan Europe.

Femen's topless protest tactics hit Paris(視頻)

2012-10-08 10:24

Cheating scandal threatens Harvard's image

2012-10-08 10:24

Early detection and treatment a must for glaucoma patients(視頻)

2012-10-05 10:00

US presidential debate a 'Game Changer'(視頻)

2012-10-05 09:46