News tagged with natural dynamics

Meat eating led to earlier weaning, helped humans spread across globe

When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...

Biology / Plants & Animals

created Apr 18, 2012 | popularity 4.2 / 5 (6) | comments 0 | with audio podcast

The sounds of Mars and Venus are revealed for the first time

In a world first, the sounds of Mars and Venus are revealed as part of a planetarium show in Hampshire this Easter.

Space & Earth / Space Exploration

created Apr 02, 2012 | popularity 2.8 / 5 (4) | comments 3

Physicists propose solution to constraint satisfaction problems

(PhysOrg.com) -- Maria Ercsey-Ravasz, a postdoctoral associate and Zoltan Toroczkai, professor of physics at the University of Notre Dame, have proposed an alternative approach to solving difficult constraint ...

Physics / General Physics

created Oct 10, 2011 | popularity 5 / 5 (7) | comments 11 | with audio podcast

Fatal floods in Africa

When natural disasters claim human lives, it's important to determine whether the problem is geophysical or cultural. A new study shows that the large upswing in flood deaths in Africa over past decades is ...

Space & Earth / Earth Sciences

created Dec 16, 2010 | popularity 4.5 / 5 (4) | comments 2

Study may help predict extinction tipping point for species

What if there were a way to predict when a species was about to become extinct -- in time to do something about it?

Biology / Ecology

created Sep 08, 2010 | popularity 4 / 5 (6) | comments 3 | with audio podcast

Scientists say natural selection alone can explain eusociality

Scientists at Harvard University have sketched a new map of the "evolutionary labyrinth" species must traverse to reach eusociality, the rare but spectacularly successful social structure where individuals cooperate to raise ...

Biology / Evolution

created Aug 25, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

New technique allows study of protein folding, dynamics in living cells

A new technique to study protein dynamics in living cells has been created by a team of University of Illinois scientists, and evidence yielded from the new method indicates that an in vivo environment strongly ...

Medicine & Health / Medical research

created Feb 28, 2010 | popularity 4.9 / 5 (13) | comments 0 | with audio podcast

Major quakes can weaken seismic faults far away, scientists say

(PhysOrg.com) -- U.S. seismologists have found evidence that the massive 2004 earthquake that triggered killer tsunamis throughout the Indian Ocean weakened at least a portion of California's famed San Andreas ...

Space & Earth / Earth Sciences

created Sep 30, 2009 | popularity 4.9 / 5 (8) | comments 0

World's last great forest under threat: new study

(PhysOrg.com) -- The world's last remaining "pristine" forest - the boreal forest across large stretches of Russia, Canada and other northern countries - is under increasing threat, a team of international researchers has ...

Space & Earth / Environment

created Aug 25, 2009 | popularity 2.8 / 5 (8) | comments 3

New tag could enable more detailed structural studies of mammalian proteins

(PhysOrg.com) -- To say our genes are resourceful is a gross understatement. Through ingenious combinations of a paltry 20 amino acids, the basic building blocks of life, genes engineer all of the tissues and organs that ...

Chemistry / Biochemistry

created May 07, 2009 | popularity not rated yet | comments 0

Researchers 'unzip' molecules to measure interactions keeping DNA packed in cells

(PhysOrg.com) -- Anyone who has ever battled a stuck zipper knows it's a good idea to see what's stuck, where and how badly -- and then to pull hard. A Cornell research team's experiments involve the "unzipping" ...

Biology /

created Jan 28, 2009 | popularity 4 / 5 (1) | comments 0