ScienceDaily: Strange Science News |
- A battery made of wood?
- Scientists identify emotions based on brain activity
- Carbon nanotube harpoon catches individual brain-cell signals
- Scientists date prehistoric bacterial invasion still present in today's plant and animal cells
- Brain can plan actions toward things the eye doesn't see
- Practical new approach to holographic video could also enable 2-D displays with higher resolution and lower power consumption
- Was prehistoric rock art strategically placed to reveal a cosmological puzzle?
- Unusual supernova is doubly unusual for being perfectly normal
- What do memories look like?
- Distracted walking: Injuries soar for pedestrians on phones
| Posted: 19 Jun 2013 04:52 PM PDT A sliver of wood coated with tin could make a tiny, long-lasting, efficient and environmentally friendly battery, say scientists.  |
| Scientists identify emotions based on brain activity Posted: 19 Jun 2013 04:51 PM PDT For the first time, scientists have identified which emotion a person is experiencing based on brain activity. The study combines functional magnetic resonance imaging and machine learning to measure brain signals to accurately read emotions in individuals. The findings illustrate how the brain categorizes feelings, giving researchers the first reliable process to analyze emotions. Until now, research on emotions has been long stymied by the lack of reliable methods to evaluate them.  |
| Carbon nanotube harpoon catches individual brain-cell signals Posted: 19 Jun 2013 04:51 PM PDT Neuroscientists may soon be modern-day harpooners, snaring individual brain-cell signals instead of whales with tiny spears made of carbon nanotubes.  |
| Scientists date prehistoric bacterial invasion still present in today's plant and animal cells Posted: 19 Jun 2013 01:48 PM PDT How long ago did bacteria invade the one-celled ancestors of plants and animals to become energy-producing mitochondria and photosynthesizing chloroplasts? Researchers developed a statistical way to analyze the variation in genes common to mitochondria, chloroplasts and the eukaryotic nucleus to more precisely date these events. They found that the cyanobacterial invasion of plants took place millions of years more recently than thought.  |
| Brain can plan actions toward things the eye doesn't see Posted: 19 Jun 2013 01:47 PM PDT People can plan strategic movements to several different targets at the same time, even when they see far fewer targets than are actually present, according to a new study.  |
| Posted: 19 Jun 2013 10:24 AM PDT A practical new approach to holographic video could also enable 2-D displays with higher resolution and lower power consumption.  |
| Was prehistoric rock art strategically placed to reveal a cosmological puzzle? Posted: 19 Jun 2013 09:21 AM PDT Recently, the discoveries of prehistoric rock art have become more common. With these discoveries, according to one researcher, comes a single giant one -- all these drawing and engravings map the prehistoric peoples' cosmological world.  |
| Unusual supernova is doubly unusual for being perfectly normal Posted: 19 Jun 2013 09:21 AM PDT Type Ia supernovae are indispensable milestones for measuring the expansion of the universe. With definitive measures of Supernova 2011fe, the "Backyard Supernova" that thrilled amateur and professional astronomers alike in the summer of 2011, the Nearby Supernova Factory demonstrates that this unusually close-by Type Ia is such a perfect example of its kind that future Type Ia's -- and models meant to explain their physics -- must be measured against it.  |
| Posted: 19 Jun 2013 09:21 AM PDT Scientists develop a way to see the structures that store memories in a living brain.  |
| Distracted walking: Injuries soar for pedestrians on phones Posted: 19 Jun 2013 07:10 AM PDT More than 1,500 pedestrians were estimated to be treated in emergency rooms in 2010 for injuries related to using a cell phone while walking, according to a new nationwide study.  |
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