Last week,Harvard University researchers reported that people who travel are three times more likely than others to develop deep vein thrombosis.

VOA: special.2009.07.14

W.H.O.special adviser Keiji Fukuda said last week that the virus has continued to act in some ways like seasonal flu.

VOA: special.2009.11.11

In a different case, a ruling last week in New York has renewed debate about who can "own" genetic information.

VOA: special.2010.04.09

We talked last week about counterfeit medicines and how the problem is especially bad in Africa, Asia and Latin America.

VOA: special.2010.03.01

Before last week's announcement, the total number of so-called exoplanets outside our solar system was just over five hundred.

VOA: special.2011.02.09

But last week, two teams working independently reported a discovery that could help lead to a universal flu vaccine.

VOA: special.2009.03.04

Last week, Pope Benedict visited the place where John the Baptist is believed to have baptized Jesus in its waters.

VOA: special.2009.05.18

This week we play music by blues great Koko Taylor, who died last week at the age of eighty.

VOA: special.2009.06.12

Last week,leaders of the House Energy and Commerce Committee sent letters to some of the leading mobile device developers.

VOA: special.2011.05.02

He spent the last week in February writing what he believed to be the true position of the South.

VOA: special.2009.03.26

Last week, we said colleges and universities in the United States define plagiarism as representing another person's work as your own.

VOA: special.2009.04.23

The air show also follows the crash last week of an Air France jet in the Atlantic Ocean off Brazil.

VOA: special.2009.06.13

Last week,government scientists in the United States announced the discovery of two antibodies that raise hopes for an AIDS vaccine.

VOA: special.2010.07.14

Last week the WHO's International Agency for Research on Cancer listed the signals from wireless devices as "possibly carcinogenic."

VOA: special.2011.06.06