Chemistry news

Plastic that grows on trees

Scientists took a giant step closer to the biorefinery this week, reporting in the June 15 issue of the journal Science that they have directly converted sugars ubiquitous in nature to an alternative source ...

Jun 14, 2007
4.7 / 5 (96) 0

Genetic 'telepathy'? A bizarre new property of DNA

Scientists are reporting evidence that intact, double-stranded DNA has the “amazing” ability to recognize similarities in other DNA strands from a distance. And then like friends with similar interests, the bits of genetic ...

Jan 28, 2008
4.4 / 5 (99) 10

Chemists show life on Earth was not a fluke

How life came about from inanimate sets of chemicals is still a mystery. While we may never be certain which chemicals existed on prebiotic Earth, we can study the biomolecules we have today to give us clues ...

Oct 24, 2013
4.5 / 5 (90) 76 | with audio podcast

Meteorites delivered the 'seeds' of Earth's left-hand life

Flash back three or four billion years — Earth is a hot, dry and lifeless place. All is still. Without warning, a meteor slams into the desert plains at over ten thousand miles per hour. With it, this violent ...

Apr 06, 2008
4.4 / 5 (92) 9

Scientists learn from nature to split water

An international team of researchers led by Monash University has used chemicals found in plants to replicate a key process in photosynthesis paving the way to a new approach that uses sunlight to split water into hydrogen ...

Aug 17, 2008
4.8 / 5 (79) 0

Solar cell directly splits water for hydrogen

Plants trees and algae do it. Even some bacteria and moss do it, but scientists have had a difficult time developing methods to turn sunlight into useful fuel. Now, Penn State researchers have a proof-of-concept device that ...

Feb 18, 2008
4.2 / 5 (85) 6

Scientists discover new way to make water

In a familiar high-school chemistry demonstration, an instructor first uses electricity to split liquid water into its constituent gases, hydrogen and oxygen. Then, by combining the two gases and igniting them with a spark, ...

Oct 31, 2007
4.8 / 5 (72) 0