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Root Navigation

March 19, 2008

Researchers discover just how plant roots find their way around obstacles to get to nutrients and …

March 18, 2008

Our listeners ask: Why do zebras have stripes?

March 17, 2008

A new global seed vault will safeguard food crops from around the world.

March 14, 2008

Archaeologists dig deep, the mystery of Maya Blue, where your hair has been, and more.

March 12, 2008

Scientists have determined how much force it takes to move a single atom.

March 11, 2008

A one-two punch causes hair to bleach in the sun.

March 7, 2008

Math & The Brain: The geometry of hallucinations, teaching computers regret, schizophrenia and …

March 4, 2008

An unusual deep-sea vent may have churned out the first seeds of life.

February 29, 2008

What happened to our vitamin C, new insights into childhood leukemia, and why artificial sweeteners …

February 28, 2008

Creating "averaged" faces from multiple photographs improves face recognition software.

February 27, 2008

Scientists have identified precancerous cells that give rise to a form of childhood leukemia.