By manipulating oxygen, scientists coax bacteria into a wave

(PhysOrg.com) -- Bacteria know that they are too small to make an impact individually. So they wait, they multiply, and then they engage in behaviors that are only successful when all cells participate in unison. There are ...

How to make solar power 24/7

The biggest hurdle to widespread implementation of solar power is the fact that the sun doesn't shine constantly in any given place, so backup power systems are needed for nights and cloudy days. But a novel system designed ...

Understanding what makes Tennessee whiskey unique

The sugar maple tree yields autumn foliage, maple syrup and Tennessee whiskey. Wood from the tree is chopped into planks, stacked in piles and burned to form charcoal. Freshly distilled, un-aged whiskey is filtered over the ...

Formation of coal almost turned our planet into a snowball

While burning coal today causes Earth to overheat, about 300 million years ago, the formation of coal brought the planet close to global glaciation. For the first time, scientists show the massive effect in a study to be ...

Low-cost 'solar absorber' promising for future power plants

Researchers have shown how to modify commercially available silicon wafers into a structure that efficiently absorbs solar energy and withstands the high temperatures needed for "concentrated solar power" plants that might ...

Rising CO2 levels will intensify algal blooms across the globe

Rising CO2 concentrations in the atmosphere will stimulate harmful algal blooms at a global level. This warning is issued by scientists Jolanda Verspagen and Jef Huisman of the University of Amsterdam, The Netherlands, on ...

page 7 from 40