ScienceDaily: Top Science News |
- Predator-producing bacteria may be battling in human intestines
- Was the sauropod dinosaurs' large size due to plant food? Scientists argue old idea still has legs
- Rare fossil related to crabs, lobsters, shrimp: Exceptionally well preserved, including shell and soft parts
- An older Vega: New insights about the star all others are measured by
- Mussel goo inspires blood vessel glue
- How our sense of touch is a lot like the way we hear
- Ancient red dye powers new 'green' battery: Chemists use plant extract in eco-friendly, sustainable lithium-ion battery
- Black holes have properties that resemble dynamics of both solids and liquids
- Termites strike gold: Ant and termite colonies unearth gold in Australia
- Epigenetics may be a critical factor contributing to homosexuality, study suggests
- Most ancient evidence of insect camouflage: 110 million years ago
- Potent antibodies neutralize HIV and could offer new therapy, study finds
| Predator-producing bacteria may be battling in human intestines Posted: 11 Dec 2012 04:35 PM PST Researchers have found that a bacteriophage unique to the Enterococcus faecalis strain V583 acts as a predator, infecting and harming similar, competing bacteria. They believe these lab results suggest what goes on in the human intestine. |
| Was the sauropod dinosaurs' large size due to plant food? Scientists argue old idea still has legs Posted: 11 Dec 2012 04:31 PM PST The long-necked sauropod dinosaurs were the largest land animals ever to walk the Earth -- but why were they so large? A decade ago, a team of plant ecologists from South Africa suggested that this was due to the nature of the plant food they ate. However, these ideas have fallen out of favor with many dinosaur researchers. Now experts argue that this idea still has legs. |
| Posted: 11 Dec 2012 04:31 PM PST Scientists have made an extremely rare discovery of a species of animal -- related to crabs, lobsters and shrimps -- that is new to science. The discovered species, which is up to 10 millimetres long, is special because it is exceptionally well preserved, complete with not only the shell but also the soft parts -- its body, limbs, eyes, gills and alimentary system. Such discoveries are extremely rare in the fossil record. |
| An older Vega: New insights about the star all others are measured by Posted: 11 Dec 2012 12:44 PM PST Vega, a star astronomers have used as a touchstone to measure other stars' brightness for thousands of years, may be more than 200 million years older than previously thought. |
| Mussel goo inspires blood vessel glue Posted: 11 Dec 2012 12:44 PM PST A researcher has helped create a gel -- based on the mussel's knack for clinging to rocks, piers and boat hulls -- that can be painted onto the walls of blood vessels and stay put, forming a protective barrier with potentially life-saving implications. |
| How our sense of touch is a lot like the way we hear Posted: 11 Dec 2012 12:44 PM PST Researchers have found that the timing and frequency of vibrations produced in the skin when exploring surfaces play an important role in how humans use the sense of touch to gather information, drawing a powerful analogy to the auditory system. |
| Posted: 11 Dec 2012 11:52 AM PST Rose madder -- a natural plant dye once prized throughout the Old World to make fiery red textiles -- has found a second life as the basis for a new "green" battery. Chemists have developed a non-toxic and sustainable lithium-ion battery powered by purpurin, a dye extracted from the roots of the madder plant. |
| Black holes have properties that resemble dynamics of both solids and liquids Posted: 11 Dec 2012 08:29 AM PST Black holes are surrounded by many mysteries, but now researchers have come up with new groundbreaking theories that can explain several of their properties. The research shows that black holes have properties that resemble the dynamics of both solids and liquids. |
| Termites strike gold: Ant and termite colonies unearth gold in Australia Posted: 11 Dec 2012 06:50 AM PST Ant and termite nests could lead to hidden treasure, according to researchers in Australia. Scientists have found that at a test site in the West Australian goldfields termite mounds contained high concentrations of gold. This gold indicates there is a larger deposit underneath. |
| Epigenetics may be a critical factor contributing to homosexuality, study suggests Posted: 11 Dec 2012 05:32 AM PST Epigenetics -- how gene expression is regulated by temporary switches, called epi-marks -- appears to be a critical and overlooked factor contributing to the long-standing puzzle of why homosexuality occurs. According to the study, sex-specific epi-marks, which normally do not pass between generations and are thus "erased," can lead to homosexuality when they escape erasure and are transmitted from father to daughter or mother to son. |
| Most ancient evidence of insect camouflage: 110 million years ago Posted: 11 Dec 2012 05:29 AM PST An insect larva covered by plant remains that lived in the Early Cretaceous, about 110 million years ago, evidences the most ancient known insect camouflage, according to a new article. |
| Potent antibodies neutralize HIV and could offer new therapy, study finds Posted: 10 Dec 2012 07:09 PM PST Having HIV/AIDS is no longer a death sentence, but it's still a lifelong illness that requires an expensive daily cocktail of drugs -- and it means tolerating those drugs' side effects and running the risk of resistance. Researchers may have found something better: they've shown that a therapeutic approach harnessing proteins from the human immune system can suppress the virus in mice without the need for daily application and could one day be used in humans to treat the disease. |
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