ScienceDaily: Strange Science News |
- Birds sing louder amidst the noise and structures of the urban jungle
- World of Warcraft boosts cognitive functioning in older adults
- Off switch for pain? Chemists build light-controlled neural inhibitor
- Recharge your cell phone with a touch? New nanotechnology converts body heat into power
| Birds sing louder amidst the noise and structures of the urban jungle Posted: 22 Feb 2012 10:29 AM PST Sparrows, blackbirds and the great tit are all birds known to sing at a higher pitch in urban environments. It was previously believed that these birds sang at higher frequencies in order to escape the lower frequencies noises of the urban environment. Now, researchers have discovered that besides noise, the physical structure of cities also plays a role in altering the birds' songs.  |
| World of Warcraft boosts cognitive functioning in older adults Posted: 22 Feb 2012 10:22 AM PST For some older adults, the online video game World of Warcraft (WoW) may provide more than an opportunity for escapist adventure. Researchers have found that playing WoW boosted cognitive functioning for older adults – particularly those who had scored poorly on cognitive ability tests before playing the game.  |
| Off switch for pain? Chemists build light-controlled neural inhibitor Posted: 22 Feb 2012 06:35 AM PST Pain? Just turn it off! It may sound like science fiction, but researchers have now succeeded in inhibiting pain-sensitive neurons on demand, in the laboratory. The crucial element in their strategy is a chemical sensor that acts as a light-sensitive switch.  |
| Recharge your cell phone with a touch? New nanotechnology converts body heat into power Posted: 22 Feb 2012 06:29 AM PST Never get stranded with a dead cell phone again. A promising new technology called Power Felt, a thermoelectric device that converts body heat into an electrical current, soon could create enough juice to make another call simply by touching it.  |
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