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- Amazing flare from a black hole in a distant galaxy
- Neutrons find 'missing' magnetism of plutonium
- South African archaeological wonder-sites reveal more of the origins of our unity and diversity
| Amazing flare from a black hole in a distant galaxy Posted: 10 Jul 2015 01:10 PM PDT Five billion years ago, a great disturbance rocked a region near the monster black hole at the center of galaxy 3C 279. On June 14, the pulse of high-energy light produced by this event finally arrived at Earth, setting off detectors aboard NASA's Fermi Gamma-ray Space Telescope and other satellites. Astronomers around the world turned instruments toward the galaxy to observe this brief but record-setting flare in greater detail. |
| Neutrons find 'missing' magnetism of plutonium Posted: 10 Jul 2015 01:09 PM PDT Groundbreaking work has confirmed plutonium's magnetism, which scientists have long theorized but have never been able to experimentally observe. |
| South African archaeological wonder-sites reveal more of the origins of our unity and diversity Posted: 10 Jul 2015 01:09 PM PDT Two of South Africa's most famous archaeological sites, Sibudu and Blombos, have revealed that Middle Stone Age groups who lived in these different areas, more than 1,000 km apart, used similar types of stone tools some 71,000 years ago, but that there were differences in the ways that these tools were made .But this was not the case at 65,000 years ago when similarities in stone tool making suggest that similar cultural traditions spread across South Africa. |
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