08/12/2017

What to teach your preschooler about internet safety

Fifteen years ago, parents and caregivers did not have to worry about teaching pre-school aged children about internet safety. A new report prepared for the Children's Commissioner of England suggests this time has passed.

JPL deploys a CubeSat for astronomy

Tiny satellites called CubeSats have attracted a lot of attention in recent years. Besides allowing researchers to test new technologies, their relative simplicity also offers hands-on training to early-career engineers.

Road salt is bad for the environment, so why do we keep using it?

Marshes, streams and lakes lie alongside many of the roads and highways that zigzag across North America. Plants and animals inhabit these water bodies and can be exposed to many of the substances we put on those roads, including ...

Geomythology—how a geographer began mining myths

So you think the Loch Ness Monster never existed? That the story is a cunningly cobbled-together fiction intended to boost tourist interest in an otherwise unrelentingly dull (only to some) part of mid-Scotland? Think again.

Understanding Earth's geologic history to predict the future

Pratigya Polissar is an organic geochemist at Lamont-Doherty Earth Observatory and a Center for Climate and Life Fellow. Polissar uses molecular fossils—the remnants of plants and animals preserved in ocean, lake, and terrestrial ...

Building confidence in hydrologic models

Understanding water availability and quality for large-scale surface and groundwater systems requires simulation. Scientists have developed many numerical models to address these simulation needs. How do these models differ ...

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