News tagged with shape
Dramatic diversity of columbine flowers explained by a simple change in cell shape
Columbine flowers are recognizable by the long, trailing nectar spurs that extend from the bases of their petals, tempting the taste buds of their insect pollinators.
Nov 16, 2011 |
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Can metals remember their shape at nanoscale, too?
University of Constance physicists Daniel Mutter and Peter Nielaba have visualized changes in shape memory materials down to the nanometric scale in an article about to be published in the European Physical Journal B.
Nov 08, 2011 |
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What the brain sees after the eye stops looking
(Medical Xpress) -- When we gaze at a shape and then the shape disappears, a strange thing happens: We see an afterimage in the complementary color. Now a Japanese study has observed for the first time an equally strange ...
Medicine & Health / Psychology & Psychiatry
Nov 08, 2011 |
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Unraveling the mysteries of the natural killer within us
Scientists have discovered more about the intricacies of the immune system in a breakthrough that may help combat viral infections such as HIV.
Oct 24, 2011 |
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GPM satellite takes a spin on the high capacity centrifuge
In the clean room at NASA Goddard Space Flight Center in Greenbelt Md., the Global Precipitation Measurement (GPM) mission's Core satellite is steadily taking shape. Set to measure rainfall worldwide after ...
Space & Earth / Space Exploration
Oct 20, 2011 |
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A new discipline emerges: The psychology of science
You've heard of the history of science, the philosophy of science, maybe even the sociology of science. But how about the psychology of science? In a new article in Current Directions in Psychological Science, a journal publis ...
Medicine & Health / Psychology & Psychiatry
Oct 19, 2011 |
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Bristly particles could be boon for powerplants
Sometimes, a simple decision to try something unconventional can lead to a significant discovery.
Nanotechnology / Nanomaterials
Oct 17, 2011 |
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Carbon nanotube muscles generate giant twist for novel motors
New artificial muscles that twist like the trunk of an elephant, but provide a thousand times higher rotation per length, were announced on Oct. 13 for a publication in Science magazine by a team of resear ...
Oct 13, 2011 |
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A new species of fossil silky lacewing insects that lived more than 120 million years ago
A team of researchers from the Capital Normal University in Beijing (China) and the Institute of Biology and Soil Sciences in Vladivostok (Russia) has discovered a remarkable silky lacewing insect from the ...
Other Sciences / Archaeology & Fossils
Oct 05, 2011 |
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Scientists describe mechanism for rare muscle disease
(Medical Xpress) -- A team of scientists from the Friedrich Miescher Institute for Biomedical Research and the Hebrew University of Jerusalem describe in C. elegans the process leading to a rare form of Emery-Dreifuss ...
Oct 03, 2011 |
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Shape memory materials ready for mass production
Five years ago, Professor Mirko Gojic, a researcher at the University of Zagreb in Croatia, wondered what his small team of researchers could do to lower the price of 'smart metals': a type of high-tech materials that can ...
Sep 23, 2011 |
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Study finds protein critical to breast cancer cell proliferation, migration
Researchers have found that a protein linked to cell division and migration and tied to increased cell proliferation in ovarian tumors is also present at high levels in breast cancer specimens and cell lines. The protein, ...
Sep 15, 2011 |
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Newborn dinosaur discovered in Maryland
No, this isn't Jurassic Park. Researchers at the Johns Hopkins University School of Medicine with help from an amateur fossil hunter in College Park, Md., have described the fossil of an armored dinosaur hatchling. It is ...
Other Sciences / Archaeology & Fossils
Sep 14, 2011 |
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Using lasers to vaporize tissue at multiple points simultaneously
Researchers at Vanderbilt University have developed a new technique that uses a single UV laser pulse to zap away biological tissue at multiple points simultaneously, a method that could help scientists study ...
Sep 13, 2011 |
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Physicists undo the 'coffee ring effect' (w/ video)
A team of University of Pennsylvania physicists has shown how to disrupt the "coffee ring effect" — the ring-shaped stain of particles leftover after coffee drops evaporate — by changing the particle ...
Aug 17, 2011 |
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