Foundational concept of ecology tested by experiment

An elementary school science activity asks children who have each been assigned a wetland plant or animal to connect themselves with string and tape to other "organisms" their assigned plant or animal interacts with in some ...

Making a light-harvesting antenna from scratch

(PhysOrg.com) -- Sometimes when people talk about solar energy, they tacitly assume that we're stuck with some version of the silicon solar cell and its technical and cost limitations. Not so.

Unique volcanic complex discovered on Moon's far side

(PhysOrg.com) -- Analysis of new images of a curious “hot spot” on the far side of the Moon reveal it to be a small volcanic province created by the upwelling of silicic magma. The unusual location of the province ...

Turning plants into power houses

(PhysOrg.com) -- "I have a slide that has a photo of a cornfield and a big photovoltaic array," says Robert Blankenship, a scientist who studies photosynthesis at Washington University in St. Louis. "When I give talks I often ...

Taking the temperature of the ancient earth

(PhysOrg.com) -- A new technique has allowed scientists to pin down the timing of ancient glaciations, linking them more firmly to two bursts of extinction.

A guide star lets scientists see deep into human tissue

Astronomers have a neat trick they sometimes use to compensate for the turbulence of the atmosphere that blurs images made by ground-based telescopes. They create an artificial star called a guide star and use its twinkling ...

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