ScienceDaily: Strange Science News |
- Untangling the mechanics of knots
- Trust game increases rate synchrony
- Paper tubes make stiff origami structures
- Molting elephant seals add mercury to coastal seawater
- Oldest fossil sea turtle discovered: Huge fossilized turtle is at least 120 million years old
- Lasers used to levitate glowing nanodiamonds in a vacuum
| Untangling the mechanics of knots Posted: 08 Sep 2015 10:51 AM PDT Researchers have analyzed the mechanical forces underpinning simple knots, and come up with a theory that describes how a knot's topology determines its mechanical forces. |
| Trust game increases rate synchrony Posted: 08 Sep 2015 08:22 AM PDT When people build trust, their hearts get in sync and beat as one, a new study shows. When a public goods game is used to introduce trust conditions during a cooperative task, participants' heart rate arousal and synchrony is increased. |
| Paper tubes make stiff origami structures Posted: 07 Sep 2015 04:06 PM PDT From shipping and construction to outer space, origami could put a folded twist on structural engineering. Researchers have developed a new 'zippered tube' configuration that makes paper structures that are stiff enough to hold weight yet can fold flat for easy shipping and storage. |
| Molting elephant seals add mercury to coastal seawater Posted: 07 Sep 2015 04:06 PM PDT As fish-eating predators at the top of the marine food chain, elephant seals accumulate high concentrations of mercury in their bodies. A new study shows that elephant seals shed significant amounts of mercury during molting, resulting in elevated concentrations of the toxic metal in coastal waters near the elephant seal rookery at Año Nuevo State Reserve. |
| Oldest fossil sea turtle discovered: Huge fossilized turtle is at least 120 million years old Posted: 07 Sep 2015 08:39 AM PDT The world's oldest fossil sea turtle known to date has been found by scientists. The fossilized reptile is at least 120 million years old -- which makes it about 25 million years older than the previously known oldest specimen. The almost completely preserved skeleton from the Cretaceous, with a length of nearly 2 meters, shows all of the characteristic traits of modern marine turtles. |
| Lasers used to levitate glowing nanodiamonds in a vacuum Posted: 07 Sep 2015 08:37 AM PDT Researchers have, for the first time, levitated individual nanodiamonds in vacuum. The research team thinks their work will make extremely sensitive instruments for sensing tiny forces and torques possible, as well as a way to physically create larger-scale quantum systems known as macroscopic Schrödinger Cat states. |
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