News tagged with shape
Physicists show way to count sweets in a jar -- from inside the jar
Jul 29, 2009 |
4.2 / 5 (12) |
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(PhysOrg.com) -- How many sweets fit into a jar? This question depends on the shapes and sizes of the sweets, the size of the jar, and how it is filled. Surprisingly, this ancient question remains unanswered because of the ...
Evolution of skull and mandible shape in cats
Biology /
Jul 30, 2008 |
4.4 / 5 (7) |
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In a new study published in the online-open access journal PLoS ONE, Per Christiansen at the Zoological Museum in Copenhagen, Denmark, reports the finding that the evolution of skull and mandible shape in sabercats and mo ...
Synthetic molecules emulate enzyme behavior for the first time
Jul 02, 2008 |
4.3 / 5 (7) |
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When chemists want to produce a lot of a substance -- such as a newly designed drug -- they often turn to catalysts, molecules that speed chemical reactions. Many jobs require highly specialized catalysts, and finding one ...
People who 'see' numbers have better memories for dates
Medicine & Health / Neuroscience
Dec 15, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- A new research project has shown that people who perceive numbers visually, and who see sequences of numbers as visual patterns, have better memories for dates and events in the past than ...
Studying ice crystals to understand the cloud-climate connection
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Beginning in mid-December, scientists will undertake a special mission to squeeze the secrets out of ice crystals in cirrus clouds. The SPARTICUS, or Small Particles in Cirrus, campaign will ...
Scientists create custom 3D structures with 'DNA origami'
May 20, 2009 |
4.2 / 5 (6) |
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BOSTON--By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a ...
Water droplets direct self-assembly process in thin-film materials
Nanotechnology / Nanomaterials
Nov 23, 2009 |
5 / 5 (5) |
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You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...
One step closer to green chemistry and improved pharmaceuticals
Biology /
Jun 25, 2008 |
4.8 / 5 (5) |
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Proteins are the workhorses of our cells. They help to digest our food, are at the core of our immune system, and literally shape our body from top to toe. Proteins also play an important role in biotechnology in the form ...
Smart memory foam made smarter
Sep 24, 2009 |
4.8 / 5 (5) |
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Researchers from Northwestern University and Boise State University have figured out how to produce a less expensive shape-shifting "memory" foam, which could lead to more widespread applications of the material, such as ...
Penn scientists discover cells reorganize shape to fit the situation
Biology /
Nov 24, 2008 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Flip open any biology textbook and you're bound to see a complicated diagram of the inner workings of a cell, with its internal scaffolding, the cytoskeleton, and how it maintains a cell's ...
Skunk's Strategy Not Just Black and White
Nov 10, 2009 |
4.3 / 5 (4) |
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Predators with experience of skunks avoid them both because of their black-and-white coloration and their distinctive body shape, according to UC Davis wildlife researcher Jennifer Hunter. The study was published ...
Dinosaurs hop, skip and jump into 21st century
Other Sciences / Archaeology & Fossils
Dec 09, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Dinosaurs have literally been put through their paces by a new supercomputer, allowing scientists to get closer to understanding how they once moved.
Studying the female form: Math could lead to sexier lingerie, safer labcoats
Technology / Computer Sciences
Mar 12, 2009 |
3.7 / 5 (3) |
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Researchers in Japan have turned to mathematics to build a computerized 3D model of the female trunk that could help lingerie and other clothes designers make more sensuous, comfortable, and better fitting product ranges.
Genetic switch potential key to new class of antibiotics
Apr 17, 2009 |
5 / 5 (2) |
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Researchers have determined the structure of a key genetic mechanism at work in bacteria, including some that are deadly to humans, in an important step toward the design of a new class of antibiotics, according to an accelerated ...
Better Way to Measure Particle Shape Proves Popular
Sep 08, 2009 |
5 / 5 (2) |
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Tiny particles are pivotal to climate change, public health, and nanotechnology. A significant fraction of these particles are aspherical, yet scientists must routinely assume the particles are spherical to ...
