From how long we live to how we respond to supplements, our DNA quietly shapes far more than we might imagine. New research shows genetics can account for over half of our lifespan and influence ...

Add Yahoo as a preferred source to see more of our stories on Google. A new DNA method lets scientists measure plant roots underground, opening doors for climate research and smarter farming.

Beginnings of genetics: from Mendel to Hitler -- The double helix: this is life -- Reading the code: bringing DNA to life -- Playing God: customized DNA molecules -- DNA, dollars, and drugs: ...

You walk through a field of wheat, ryegrass, or clover and notice the sway of stems and leaves. What you cannot see is where most of the action happens. Beneath the soil surface, roots spread, compete ...