ScienceDaily: Strange Science News |
- Starvation effects handed down for generations
- Shaping the hilly landscapes of a semi-conductor nanoworld
- Proof-of-concept study shows successful transport of blood samples with small drones
- All-natural sunscreen derived from algae
| Starvation effects handed down for generations Posted: 31 Jul 2015 07:52 AM PDT Starvation early in life can alter an organism for generations to come, according to a new study in nematodes. The epigenetic effects are a 'bet-hedging strategy.' Famine survivors are smaller and less fertile, and they acquire a toughness that lasts at least two generations. The mechanism of the epigenetic inheritance has not been identified, however.  |
| Shaping the hilly landscapes of a semi-conductor nanoworld Posted: 31 Jul 2015 07:36 AM PDT Nanoscale worlds sometimes resemble macroscale roller-coaster style hills, placed at the tip of a series of hexagons. Surprisingly, these nanohills stem from the self-organization of particles -- the very particles that have been eroded and subsequently redeposited following the bombardment of semi-conductors with ion beams. Now, a new theoretical study constitutes the first exhaustive investigation of the redeposition effect on the evolution of the roughening and smoothing of two-dimensional surfaces bombarded by multiple ions.  |
| Proof-of-concept study shows successful transport of blood samples with small drones Posted: 29 Jul 2015 11:24 AM PDT In a proof-of-concept study, researchers have shown that results of common and routine blood tests are not affected by up to 40 minutes of travel on hobby-sized drones.  |
| All-natural sunscreen derived from algae Posted: 29 Jul 2015 11:20 AM PDT For consumers searching for just the right sunblock this summer, the options can be overwhelming. But scientists are now turning to the natural sunscreen of algae -- which is also found in fish slime -- to make a novel kind of shield against the sun's rays that could protect not only people, but also textiles and outdoor materials.  |
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