News tagged with biology letters
Physicists describe how to make time-reversed light pulses
(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves ...
May 31, 2011 |
4.4 / 5 (17) |
44
|
'Seeing' through paint
(PhysOrg.com) -- When light passes through materials that we consider opaque, such as paint, biological tissue, fabric and paper, it is scattered in such a complex way that an image does not come through. ...
Mar 18, 2010 |
4.7 / 5 (24) |
7
|
Graphene-Based Nanomat Could Lead to Next-Generation Catalysts
(PhysOrg.com) -- Researchers have found a new use for graphene, the single-atom-thick sheet of carbon atoms that resembles chicken wire. Ever since graphene was first observed in 2004, its large surface area, ...
Nanotechnology / Nanomaterials
Jan 19, 2010 |
4.2 / 5 (13) |
0
|
Metal nanoparticles shine with customizable color (w/ video)
(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
Feb 23, 2012 |
4.9 / 5 (8) |
7
|
'Kinks' in tiny chains reveal Brownian rotation
(PhysOrg.com) -- Rice University researchers have created a method to measure the axial rotation of tiny rods. The technique detailed in a paper by Sibani Lisa Biswal and her colleagues appears this month ...
May 19, 2011 |
5 / 5 (1) |
0
|
Why does rain keep bats grounded?
(PhysOrg.com) -- In a new study published in Biology Letters, researcher Christian Voigt from the Leibniz Institute for Zoo and Wildlife Research in Germany details their findings on Sowell’s short-tailed bats a ...
May 05, 2011 |
4.3 / 5 (4) |
3
|
All wrapped up: Researcher's graphene cloak protects bacteria
(PhysOrg.com) -- It's a cloak that surpasses all others: a microscopic carbon cloak made of graphene that could change the way bacteria and other cells are imaged.
Nanotechnology / Nanomaterials
Mar 15, 2011 |
5 / 5 (3) |
0
|
Breakthrough in nanocrystals growth
(PhysOrg.com) -- For the first time scientists have been able to watch nanoparticles grow from the earliest stages of their formation. Nanoparticles are the foundation of nanotechnology and their performance ...
Oct 18, 2010 |
5 / 5 (5) |
1
|
Rocks on Mars may provide link to evidence of living organisms 4 billion years ago
A new article in press of the journal Earth and Planetary Science Letters unveils groundbreaking research on the hydrothermal formation of Clay-Carbonate rocks in the Nili Fossae region of Mars. The findin ...
Space & Earth / Space Exploration
Jul 29, 2010 |
4.4 / 5 (16) |
1
|
Cat brain: A step toward the electronic equivalent
A cat can recognize a face faster and more efficiently than a supercomputer. That's one reason a feline brain is the model for a biologically-inspired computer project involving the University of Michigan.
Apr 14, 2010 |
4.6 / 5 (27) |
14
|
Ancient snakes living on Madagascar
"Blindsnakes are not very pretty, are rarely noticed, and are often mistaken for earthworms," admits Blair Hedges, professor of biology at Penn State University. "Nonetheless, they tell a very interesting ...
Mar 31, 2010 |
4.6 / 5 (8) |
0
|
Great Tit Turns Out to be a Killer
(PhysOrg.com) -- The Great Tit is an aggressive songbird found in Britain, continental Europe, parts of Northern Africa, and much of Asia. It is believed to survive mostly on seeds, nuts, fruit, insects, beetles, ...
Sep 10, 2009 |
4.7 / 5 (21) |
12
Researchers find first-ever 'wanderlust gene' in tiny bony fish
(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...
Aug 05, 2009 |
5 / 5 (6) |
0
Ocean acidification changes the behaviour of baby coral
(Phys.org) -- Ocean acidification caused by human development can alter the behaviour of baby corals, a new study shows.
Apr 16, 2012 |
5 / 5 (2) |
3
|
Thrips soldiers found able to ward off fungus
(Phys.org) -- Researchers studying the tiny bugs known as thrips have made two discoveries concerning one species: Kladothrips intermedius. The first is that though such thrips soldiers have big forearms, they d ...
Apr 12, 2012 |
not rated yet |
0
|
