June 2007


SciAm Mind: The Science of Team Success
A growing body of research shows that groups can systematically enhance their performance
Steve W. J. Kozlowski and Daniel R. Ilgen

UN warning on desertification
Desertification represents the “greatest environmental challenge of our times”, the UN warns in a report.

DNA traces origin of domestic cat
The humble domestic cat has its origins in the Middle East, according to a genetic study in Science journal.

Echinacea ‘can prevent a cold’
Taking the herbal remedy echinacea can more than halve the risk of catching a cold, researchers say.

Calendar question over star disc
A team revives the debate over whether a Bronze Age disc from Germany is one of the earliest known calendars.

How’s the Universe Today?
Meteorite hunter Rob Matson invites Neil deGrasse Tyson to the Mojave Desert.
NOVA scienceNOW

Asteroid
Will a doomsday rock the size of the Rose Bowl hit Earth in 2036?
NOVA scienceNOW

Aging
Will research into “longevity genes” help us live longer and healthier lives?
NOVA scienceNOW

Technicalities: Why Don’t People Change
How we fail despite our good intentions–and how we can succeed instead
Hal Arkowitz and Scott O. Lilienfeld

NOVA scienceNOW: Dispatch: Sleepless Surgeons
Just how important is sleep to a surgeon? Harvard’s Jeff Ellenbogen discusses his investigation into how sleep affects a surgeon’s ability to learn and perform surgery.
NOVA

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