Science News Archive - April 15, 2009
On Tuesday, Renewable Fuels Association President Bob Dinneen announced that the US government will eventually begin allowing higher levels of ethanol to be blended into gasoline.
According to industry forecasters, US power plants will see a 2.6 percent drop in the amount of coal they burn in 2009 compared with the previous year.
With the human genome in hand, biochemists have cataloged the 3-D structures of thousands of proteins isolated from living cells. But one important class of proteins -- those stuck in the cell membranes
In a new study, researchers at the University of Illinois have identified and visualized the signaling pathways in protein-RNA complexes that help set the genetic code in all organisms.
Scientists have long been interested in the interplay of emotions and identity, and some have recently focused on cultural identity. One's heritage would seem to be especially stable and impervious to change, simply because it's been passed down generation after generation and is deeply ingrained in the collective psyche.
When we look at a scene in front of us, we need to focus on the important items and be able to ignore distracting elements.
If Mark Twain were alive today he might rephrase his frequently cited observation about everyone talking about the weather but not doing anything about it to say, "Everyone reads or watches weather forecasts, but many people don't understand them."
In an experiment spanning over 20 years, researchers at the University of Illinois have found that vulnerability to being caught by anglers is a heritable trait in largemouth bass.
A one-story masonry structure survived two days of intense earthquake jolts after engineering researchers at the University of California, San Diego put it to the test.
German scientists say they've discovered very immature sheep fetuses can enter a dreaming sleep-like state weeks before rapid eye movements develop. The Friedrich Schiller University researchers in Jena, Germany, led by mathematician Karin Schwab noted that after about seven months growing in the womb, a human fetus spends most of its time asleep.
- The call or cry of a bird or other animal to its mate or its young.