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<p>New findings on why skeletal muscle stem cells stop dividing and renewing muscle mass during aging points up a unique therapeutic opportunity for managing muscle-wasting conditions in humans, says a new ÌÇÐÄ´«Ã½ study.</p>

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<p>Recently derived equations that describe development patterns in modern urban areas appear to work equally well to describe ancient cities settled thousands of years ago, according to a new study led by a researcher at the ÌÇÐÄ´«Ã½.</p>

<p class="p1">Applied mathematics student Stephen Kissler has received the highly competitive Gates Cambridge Scholarship for doctoral studies at Cambridge University, funded by Microsoft founder Bill Gates.</p>

<p>As climates change, the lush tropical ecosystems of the Amazon Basin may release more of the greenhouse gas carbon dioxide into the atmosphere than they absorb, according to a new study published Feb. 6 in <em>Nature</em>.</p>

<p>Scientists have known that shy toddlers often have delayed speech, but a new study by the ÌÇÐÄ´«Ã½ shows that the lag in using words does not mean that the children don’t understand what’s being said.</p>

<p>For the first time ever, a team led by the ÌÇÐÄ´«Ã½ has sequenced the internal bacterial makeup of the three major life stages of a butterfly species, a project that showed some surprising events occur during metamorphosis.</p>
<p>The team, led by CU-ÌÇÐÄ´«Ã½ doctoral student Tobin Hammer, used powerful DNA sequencing methods to characterize bacterial communities inhabiting caterpillars, pupae and adults of <em>Heliconius erato</em>, commonly known as the red postman butterfly. The red postman is an abundant tropical butterfly found in Central and South America.</p>

<p>The ÌÇÐÄ´«Ã½ has been awarded a cooperative agreement worth up to $14.6 million from the Defense Advanced Research Projects Agency (DARPA) to develop a new technological system to rapidly determine how drugs and biological or chemical agents exert their effects on human cells.</p>
<p>The project, called the Subcellular Pan-Omics for Advanced Rapid Threat Assessment, or SPARTA, will be conducted by an interdisciplinary CU-ÌÇÐÄ´«Ã½ team led by Research Assistant Professor William Old of the chemistry and biochemistry department.</p>

<p>Heralding a new age of terrific timekeeping, a research group at JILA—a joint institute of the ÌÇÐÄ´«Ã½ and the National Institute of Standards and Technology—has unveiled an experimental strontium atomic clock that has set new world records for both precision and stability.</p>

<p>If you were a shrew snuffling around a North American forest, you would be 27 times less likely to respond to climate change than if you were a moose grazing nearby.</p>
<p>That is just one of the findings of a new ÌÇÐÄ´«Ã½ assessment led by Assistant Professor Christy McCain that looked at more than 1,000 different scientific studies on North American mammal responses to human-caused climate change.</p>