Science News Archive - June 16, 2009
For many years scientists have known that the numerous biological functions of an organism are not regulated solely by the DNA sequence of its genes: Superordinate regulatory mechanisms exist that contribute to determining the fate of genes.
Gene regulatory networks in cell nuclei are similar to cloud computing networks, such as Google or Yahoo!, researchers report today in the online journal Molecular Systems Biology.
An international team of scientists has discovered extensive similarities between a strain of bacteria commonly associated with plants and one increasingly linked to opportunistic infections in hospital patients.
U.S. government scientists said they have found pesticide-related compounds and elevated levels of nitrate in several central Florida lakes. The U.S.
The Canadian Food Inspection Agency has issued a warning about consuming Our Father's Farm-brand apricot kernels in excessive amounts. The CFIA said Our Father's Farm Ultra Bitter Apricot Kernels contain a natural toxin called amygdalin, which might cause acute cyanide poisoning. The federal agency said the product has been distributed in Ontario and might have been sold nationally. Bitter apricot kernels naturally contain a compound called amygdalin, which has the potential to release cyanide when the kernels are ingested, the CFIA said.
The European Space Agency says it has signed a contract with Arianespace for the launch of four Galileo satellites on two Soyuz launch vehicles. The contract, signed Monday during the Paris Air Show in Le Bourget, France, calls for the satellites to be launched from Europe Space Agency's spaceport in
Environmental group WWF said on Monday that poachers might have used pineapples to poison and kill an endangered Sumatran elephant for its tusk.
The National Aeronautics and Space Administration has selected 100 full-time U.S.
A Wildlife Conservation Society research intern working in Papua New Guinea has completed the first study of a rare egg-laying mammal. The study of the long-beaked echidna in Papua New Guinea's Crater Mountain Wildlife Management Area was conducted by Muse Opiang, now of the Papua New Guinea Institute of Biological Research.
- The ragged surface of a lava-flow.