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Model helps robots navigate more like humans do Posted: 04 Oct 2018 12:54 PM PDT Researchers have now devised a way to help robots navigate environments more like humans do. Their novel motion-planning model lets robots determine how to reach a goal by exploring the environment, observing other agents, and exploiting what they've learned before in similar situations. |
Surprising chemical complexity of Saturn's rings changing planet's upper atmosphere Posted: 04 Oct 2018 11:39 AM PDT A new study based on data from the final orbits last year of NASA's Cassini spacecraft shows the rings of Saturn -- some of the most visually stupendous objects in the universe -- are far more chemically complicated than previously was understood. |
Solving a medical mystery: Cause of rare type of dwarfism discovered Posted: 04 Oct 2018 11:39 AM PDT For children born with Saul-Wilson syndrome, and their parents, much of their lives are spent searching for answers. First defined in 1990, only 14 cases are known worldwide. Today, these individuals have answers. A study has now uncovered the cause of Saul-Wilson syndrome. |
Astronomers discover sonic boom from powerful unseen explosion Posted: 04 Oct 2018 10:18 AM PDT A team of astronomers has detected the sonic boom from an immensely powerful cosmic explosion, even though the explosion itself was totally unseen. The titanic eruption, known as a Gamma Ray Burst (GRB), was generated by the collapse of a massive star in a galaxy nearly 300 million light-years from Earth. |
Amputation injury is communicated to opposing limbs Posted: 04 Oct 2018 10:18 AM PDT In research that extends knowledge about the physiology of regeneration and wound repair, biologists have discovered that amputation of one limb is immediately reflected in the bioelectric properties of the contralateral, or opposing, un-damaged limb of developing frogs. |
The homing instinct of relocated snakes Posted: 04 Oct 2018 08:25 AM PDT A new study on the effects of relocating adders due to development has found that males will disperse from their release site -- with one even going so far as to return to his original home. |
Genome of Japanese insect delicacy sheds light on history of Earth Posted: 04 Oct 2018 08:01 AM PDT Scientists have shed light on the evolutionary biology and distribution of Stenopsyche caddisflies, a common insect in Japanese rivers and a local delicacy. The discovery also identified new genetic lineages among previously recognized species. |
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