ScienceDaily: Strange Science News

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• Collective memory discovered in bacteria
• 'Person-on-a-chip': Engineers grow 3-D heart, liver tissues for better drug testing
• Mercury's mysterious 'darkness' explained
• The expansion of the Universe simulated
• AI crossword-solving application could make machines better at understanding language
• Engineers develop flexible skin that traps radar waves, cloaks objects

Collective memory discovered in bacteria Posted: 07 Mar 2016 12:30 PM PST Individual bacterial cells have short memories. But groups of bacteria can develop a collective memory that can increase their tolerance to stress. This has been demonstrated experimentally for the first time.

'Person-on-a-chip': Engineers grow 3-D heart, liver tissues for better drug testing Posted: 07 Mar 2016 08:32 AM PST Researchers have developed a new way of growing realistic human tissues outside the body. Their 'person-on-a-chip' technology, called AngioChip, is a powerful platform for discovering and testing new drugs, and could eventually be used to repair or replace damaged organs.

Mercury's mysterious 'darkness' explained Posted: 07 Mar 2016 08:29 AM PST Scientists have long been puzzled by Mercury's very dark surface. Previously, scientists proposed that the darkness came from carbon accumulated by comet impacts. Now scientists confirm that carbon is present at Mercury's surface, but that it most likely originated deep below the surface, in the form of a now-disrupted and buried ancient graphite-rich crust, which was later brought to the surface via impacts after most of the current crust formed.

The expansion of the Universe simulated Posted: 07 Mar 2016 08:29 AM PST The universe is constantly expanding. But how does our universe evolve? Physicists have now developed a new code of numerical simulations that offers a glimpse of the complex process of the formation of structures in the universe. Based on Einstein's equations, they were able to integrate the rotation of space-time into their calculations and calculate the amplitude of gravitational waves.

AI crossword-solving application could make machines better at understanding language Posted: 07 Mar 2016 06:35 AM PST A web-based machine language system solves crossword puzzles far better than commercially-available products, and may help machines better understand language.

Engineers develop flexible skin that traps radar waves, cloaks objects Posted: 07 Mar 2016 06:23 AM PST Engineers have developed a 'meta-skin' that uses liquid-metal technology to trap radar waves and cloak objects from detection. By stretching the flexible meta-skin, the device can be tuned to reduce the reflection of a wide range of radar frequencies.

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