ScienceDaily: Top Environment News |
- Biological transistor enables computing within living cells
- Mate choice in mice is heavily influenced by paternal cues, mouse study shows
- Proximity to coal-tar-sealed pavement raises risk of cancer, study finds
- Opposites attract: How cells and cell fragments move in electric fields
- Large robotic jellyfish could one day patrol oceans
- Getting under the shell of the turtle genome
| Biological transistor enables computing within living cells Posted: 28 Mar 2013 11:24 AM PDT Bioengineers have taken computing beyond mechanics and electronics into the living realm of biology. Scientists have used a biological transistor made from genetic material -- DNA and RNA -- in place of gears or electrons. The team calls its biological transistor the "transcriptor."  |
| Mate choice in mice is heavily influenced by paternal cues, mouse study shows Posted: 28 Mar 2013 09:53 AM PDT Hybrid offspring of different house mice populations show a preference for mating with individuals from their father's original population.  |
| Proximity to coal-tar-sealed pavement raises risk of cancer, study finds Posted: 28 Mar 2013 09:52 AM PDT People living near asphalt pavement sealed with coal tar have an elevated risk of cancer, according to a new study. Much of this calculated excess risk results from exposures in children, age six or younger, to polycyclic aromatic hydrocarbons from the sealant.  |
| Opposites attract: How cells and cell fragments move in electric fields Posted: 28 Mar 2013 09:51 AM PDT Like tiny crawling compass needles, whole living cells and cell fragments orient and move in response to electric fields -- but in opposite directions, scientists have found. Their results could ultimately lead to new ways to heal wounds and deliver stem cell therapies.  |
| Large robotic jellyfish could one day patrol oceans Posted: 28 Mar 2013 09:48 AM PDT Researchers have unveiled Cyro, a life-like, autonomous robotic jellyfish the size and weight of a grown man, 5 foot 7 inches in length and weighing 170 pounds.  |
| Getting under the shell of the turtle genome Posted: 28 Mar 2013 04:57 AM PDT The genome of the western painted turtle, one of the most widespread, abundant and well-studied turtles in the world, has been sequenced. The data show that, like turtles themselves, the rate of genome evolution is extremely slow; turtle genomes evolve at a rate that is about a third that of the human genome and a fifth that of the python, the fastest lineage analyzed.  |
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