Uncategorized
- Animals
Cat History: DNA study finds domestic-cat kin
DNA evidence shows that the Near Eastern lineage of the wildcat, one of five lineages of Felis silvestris, gave rise to today's domestic kitty cats.
- Tech
Biowarfare: Engineered virus can invade bacterial film
A genetically engineered virus not only kills bacteria but makes an enzyme that breaks up the biofilm in which the bacteria live.
- Tech
Cellular Smugglers: Laden nanoparticles hitch a ride on bacteria
Molecular cargoes loaded onto nanoparticles can sneak into mammalian cells on the backs of bacteria.
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If Drs. Glass and Venter succeed in assembling a viable synthetic bacterial genome, will the genome or the new life form itself be patentable? Virgil H. SouleFrederick, Md. The team that performed this work stirred controversy when it applied for a patent on a synthetic bacterial genome in October 2006. The patent hasn’t yet been […]
- Tech
Life Swap: Switching genomes converts bacteria
Transplanting the entire genome of one species of bacteria into another paves the way for making synthetic microbes with manmade DNA.
- Planetary Science
Music to alien ears
Saturn's moon Titan may be the best rock concert venue in the solar system, according to computer simulations of sound propagation on other worlds.
- Physics
Stradivari’s secrets
Three-dimensional imaging of a classic violin's vibrations explains the instrument's superior ability to direct sound to the audience.
- Chemistry
A sweet way to replace petroleum?
Thanks to a new chemical process, many products now manufactured from petroleum could one day be made from sugar molecules.
- Health & Medicine
Nerves are key to longevity effect
The life-extending effect that some animals get from calorie-restricted diets may depend on signals from the brain.
- Earth
Double-acting bacteria immobilize toxic nanoparticles
Bacteria lurking in the bowels of an abandoned Wisconsin mine might help remove toxic metals from polluted water.
- Animals
West Nile virus hits bird populations
West Nile virus has hammered populations of five common North American birds.
- Planetary Science
Eris dwarfs Pluto
Ex-planet Pluto suffers another demotion, as observations show that it's much less massive than Eris, another distant denizen of the outer solar system.
