News tagged with positive selection
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Search results for positive selection
Adjusting acidity with impunity
Chemistry / Analytical Chemistry
16 hours ago |
5 / 5 (1) |
0
(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...
Fish fatty acids don’t make you cleverer or happier
17 hours ago |
4 / 5 (1) |
0
(PhysOrg.com) -- A diet rich in fish fatty acids has no effect on cognitive functions such as memory and concentration in the elderly. Nor does it affect their level of wellbeing. This is the conclusion drawn by Dutch researcher ...
Could acetaminophen ease psychological pain?
Medicine & Health / Psychology & Psychiatry
17 hours ago |
4.3 / 5 (3) |
2
Headaches and heartaches. Broken bones and broken spirits. Hurting bodies and hurt feelings. We often use the same words to describe physical and mental pain. Over-the-counter pain relieving drugs have long been used to alleviate ...
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
18 hours ago |
4.8 / 5 (5) |
0
Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
New insight in nerve cell communication
Medicine & Health / Neuroscience
20 hours ago |
4 / 5 (1) |
0
Communication between nerve cells is vital for our bodies to function. Part of this communication happens through vesicles containing signalling molecules called neurotransmitters. The vesicle fuses with the ...
Dispatcher-assisted bystander CPR best choice for possible cardiac arrest signs
21 hours ago |
not rated yet |
0
Dispatchers should assertively give cardiopulmonary resuscitation (CPR) instructions to bystanders who suspect someone is in cardiac arrest because the benefits from correctly recommending CPR for someone who needs it greatly ...
How nurses can better support families of dying children
21 hours ago |
5 / 5 (1) |
0
Most nurses that work in a children's critical care unit feel prepared and trained to help parents during the final moments of their child's life and the difficult hours that follow.
Social networking changing the way we travel
22 hours ago |
not rated yet |
0
(AP) -- Isahrai Azaria is heading to Austin, Texas, in February, and thanks to Facebook, she already has 40 acquaintances, an invitation to go water tubing, and a line on the best vegetarian lunch place in ...
White House picks new cyber coordinator
Dec 22, 2009 |
4 / 5 (1) |
0
(AP) -- The White House has tapped a corporate cyber security expert and former Bush administration official to lead the effort to shore up the country's computer networks and better coordinate with companies that operate ...
The past matters to plants
Dec 21, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- It's commonly known that plants interact with each other on an everyday basis: they shade each other out or take up nutrients from the soil before neighboring plants can get them. Now, researchers ...
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