Web boss sees risk of multiple internets

Clandestine efforts by some countries to create alternative versions of the Internet for political ends could put the Web at risk, the man responsible for organizing the network told AFP Wednesday.

Lost water of the Napa Valley vineyards

Getting the most out of every drop of water is a high priority for grape growers in the southern Napa Valley, where summers are hot and dry and vines have to be irrigated to make it through the growing season. But Stanford ...

When roots lose contact

Plant roots can shrink as a result of water deficit and lose contact with the surrounding soil. This effect has been suspected for a long time, but has only now been demonstrated for a fact with the help of x-ray tomography. ...

Golf course putting greens show their age

Just like the rest of us, golf courses show their age -- especially on putting greens, which experience more foot traffic than anywhere else on golf courses. Putting greens, which comprise only about 1.6% of the total area ...

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