Snail shell coiling programmed by protein patterning

Snail shells coil in response to an lopsided protein gradient across their shell mantles, finds research in BioMed Central's open access journal EvoDevo. In contrast the shell mantle of limpets, whose shells do not coil, ...

Uneven warming shifts equatorial rain band, midlatitude westerlies

In a band near the equator, southward Northern Hemisphere winds and northward Southern Hemisphere winds come together to form the Intertropical Convergence Zone (ITCZ). In the ITCZ the equatorward winds rise and cool, creating ...

Germany's top-selling tabloid to introduce paywall

Europe's top-selling newspaper said Monday it will introduce a paywall for part of its online offerings starting next month. Main news stories will remain free of charge online, but a subscription will be required to view ...

German railways to use mini drones to stop graffiti

Germany's railway operator plans to deploy mini drones to catch vandals who deface its trains with graffiti, with the aerial vehicles shooting thermal images of its train depots at night.

Researchers turn cement into metal

(Phys.org) —In a move that would make the Alchemists of King Arthur's time green with envy, scientists have unraveled the formula for turning liquid cement into liquid metal. This makes cement a semi-conductor and opens ...

page 1 from 7