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7,296 articles from APRIL 2012
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SUNDAY 1. APRIL, 2012
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19:53
New comparison of ocean temperatures reveals rise over the last century
A new study contrasting ocean temperature readings of the 1870s with temperatures of the modern seas reveals an upward trend of global ocean warming spanning at least 100 years. The research shows a .33-degree Celsius (.59-degree Fahrenheit) average increase in the upper portions of the ocean to 700 meters (2,300 feet) depth. Modern data is derived from the international Argo program.
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19:53Picky females play a critical role in the survival and diversity of species, according to a new study.
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19:53Scientists think they have found a way to prevent and possibly reverse the most debilitating symptoms of a rare, progressive childhood degenerative disease that leaves children with slurred speech, unable to walk, and in a wheelchair before they reach adolescence. The findings may also offer clues to treating other neurodegenerative diseases like Alzheimer's.
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19:53Scientists are continuing to work on transforming scar tissue resulting from myocardial infarction into viable heart muscle cells.
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19:49Scientists are using powerful DNA sequencing technology not only to identify mutations at the root of a patient’s tumor – considered key to personalizing cancer treatment – but to map the genetic evolution of disease and monitor response to treatment.
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19:49The discovery by cystic fibrosis researchers offers the possibility of developing therapies to intervene in utero. Some of these genes may influence disease in other cystic fibrosis-affected organs.
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19:49The incidence of breast cancer-associated metastasis was increased in animal models of the chronic inflammatory condition arthritis, according to results of a preclinical study. The results indicate that inflammatory cells known as mast cells play a key role in this increase and that interfering with mast cells reduces the occurrence of bone and lung metastases.
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19:49In a landmark study, researchers have linked the long-term use of estrogen plus progesterone and estrogen-only hormone therapy with a higher risk for developing breast cancer.
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19:31
Another view on Going Dark
This drama about an astronomer going blind isn't as contrived as some may believe, and could even teach the experts something, says the Royal Observatory's Colin Stuart
I can't fault this excellent play on its use of science: they've clearly done their research. Like the main character, Max, I'm a presenter at a planetarium. Parts of the play are exactly like a planetarium show: the audience sits in darkness with their watches turned off, gazing at images of the galaxy projected on the ceiling. Max even points out some of the more familiar constellations. I can't say the images are as high quality as ours – Andromeda seemed a little squashed – but then our projectors are worth about £1m.
But in describing the Plough as a saucepan, and using Cassiopeia as an arrow that points to Andromeda, Max pretty much followed my own script word for word. I was also impressed by how he examined the electromagnetic spectrum: he made an analogy between the waves we can't see and the missing musical notes on a piano keyboard. That's a pretty good way of explaining it. I might well try that out.
Max is losing his sight. The play draws an interesting parallel between this and the fact that the universe is itself "going blind". Some critics said they found that a little contrived, but it does have a scientific basis: the universe is expanding, so eventually – over billions of years – galaxies will be so far apart we won't be able to see them.
A century ago, a blind astronomer would have been an impossible concept. But today, our methods have changed: nobody actually looks through big telescopes any more, as they're all attached to cameras. And we use sound as well as vision: helioseismology and asteroseismology involve interpreting acoustic waves detected on the sun and distant stars. I'd like to think that even if, like Max, I did lose my sight, I would be able to continue doing my job.
• Colin Stuart works for the Royal Observatory in Greenwich (rmg.co.uk). Going Dark was at the Young Vic, London.
guardian.co.uk © 2012 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our Terms & Conditions | More Feeds
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19:24
Ocean robots help to trace ocean warming to late 19th century
A new study contrasting ocean temperature readings of the 1870s with temperatures of the modern seas reveals an upward trend of global ocean warming spanning at least 100 years. -
19:24Picky females play a critical role in the survival and diversity of species, according to a Nature study by researchers from the University of British Columbia and the International Institute for Applied Systems Analysis (IIASA) in Austria.
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19:24French energy giant Total was awaiting advice on Sunday from British regulators on whether it is safe to approach a North Sea platform that has been leaking flammable gas for a week.
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19:23
Ice Age Ankle Biters
Researchers unearth fossils of saber-toothed lemmings -
19:01
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18:52
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18:00
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17:24
Huge Wave Slams Racing Yacht, Rescue Under Way
Members of the round-the-world racing yacht CV6 Geraldton Western Australia's crew were injured when the wave knocked out the steering wheel. -
16:55Expectant mothers might feel a little better about reaching for that pint of ice cream: New research suggests that twins, and babies of mothers who diet around the time of conception and in early pregnancy, may have an increased risk of obesity and Type 2 diabetes. This study provides exciting insights into how behavior can lead to epigenetic changes in offspring related to obesity and disease.
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16:54A new discovery in mice may lead to new treatments that could make bone marrow transplants more likely to succeed and to be significantly less dangerous. Scientists may have found a way to prevent the immune system from attacking transplant grafts and damaging the host's own cells after a bone marrow transplant.
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16:54Low oxygen levels in tumors can be used to predict cancer recurrence in men with intermediate-risk prostate cancer even before they receive radiation therapy.
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16:53A naturally-occurring harmless human virus may be able to boost the effects of two standard chemotherapy drugs in some cancer patients, according to early stage trial data. Cancers shrank for about one third of the patients who could be evaluated, and disease stabilized for a further third. For one patient, all signs of their cancer disappeared.
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16:24
April Fools' Day Asteroid Zips Close by Earth
This story was updated at 10:18 a.m. ET. -
16:06A short, intense exercise session may be healthier than a longer, more moderate session that burns the same number of calories, a new study suggests.
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15:24Saturn's moon Iapetus is one of the most unusual moons in our solar system.
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14:52The universe is filled with high-energy radiation, much of which is made of gamma rays belched out by strange pulsing stars and the remnants of supernova explosions. But a new study of some of most extreme objects has turned up a mystery: nearly one-third of all gamma-ray emitting objects seen to date defy identification.
Naposledy aktualizované zdroje
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CBC - Technology & Science News (22. 5, 23:16)
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National Geographic News (22. 5, 23:03)
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Technology Review Feed - Tech Review Top Stories (22. 5, 22:46)
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NYT > Science (22. 5, 21:11)
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Sci-Tech Today (22. 5, 20:42)
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BBC Science/Nature (22. 5, 19:00)
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EurekAlert (22. 5, 06:00)
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NASA (17. 5, 02:56)
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TIME (27. 7, 08:30)
