The green machine: Algae clean wastewater, convert to biodiesel

Let algae do the dirty work. Researchers at Rochester Institute of Technology are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce ...

Evidence found of dinosaur that ate birds

(PhysOrg.com) -- When people think of dinosaurs, their thoughts generally turn to the giant guys munching plants, or the ferocious beasts preying on smaller animals. In recent years however, evidence has come to support the ...

Fossils of tiny, unknown hedgehog identified

Meet perhaps the tiniest hedgehog species ever: Silvacola acares. Its roughly 52-million-year-old fossil remains were recently identified by a University of Colorado Boulder-led team working in British Columbia.

New ancient plant captures snapshot of evolution

In a brilliant dance, a cornucopia of flowers, pinecones and acorns connected by wind, rain, insects and animals ensure the reproductive future of seed plants. But before plants achieved these elaborate specializations for ...

In Austria, heat is 'recycled' from the sewer

Vast amounts of hot water from household appliances, businesses and factories gurgle down the drain every day, wasting not only H2O but also another precious resource: heat energy.

Early mammal varieties declined as flowering plants radiated

The dramatic explosion of flowering plant species that occurred about 100 million years ago was thought to have been good news for evolving mammals, providing them with new options for food and habitat. But research by geologists ...

Researchers create carbon dioxide-separating polymer

(Phys.org) -- Carbon dioxide is the primary greenhouse gas emitted through human activities, such as the combustion of fossil fuels for energy and transportation, and it is widely accepted that it is one of the primary greenhouse ...

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