CRISPR-Cas9 is a powerful, high-throughput gene-editing tool that can help scientists engineer organisms for bioenergy applications. Cas9 needs guide RNA to lead it to the correct sequence to snip—but not all guides are ...
Biotechnology
Jul 16, 2019
0
97
Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more time in school than usually thought.
Other
Jun 8, 2013
13
0
A new "digital public library" set to launch this month aims to provide an alternative to Google for those looking for American cultural information online.
Internet
Apr 14, 2013
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0
With the 2015 sesquicentennial of Abraham Lincoln's death approaching, interest in it is rising, and with new scientific tools, UA researchers have turned their attention to one of the last remaining mysteries about what ...
Other
Apr 26, 2013
3
0
Yosemite National Park would grow by about 1,600 acres, its first expansion in 75 years, to shield its western boundary from potential development under legislation introduced in Congress on Tuesday.
Ecology
Apr 24, 2013
0
0
The Nobel Prize won by Francis Crick in 1962 for his discovery of DNA was sold Thursday at auction for more than $2 million.
Other
Apr 11, 2013
0
0
US President Barack Obama tested a new prototype Tuesday for his commander-in-chief's arsenal -- a high-powered marshmallow gun that sent a tasty missile screaming through the White House.
Other
Feb 7, 2012
4
0
The Republican Party launched a redesigned website Tuesday with a heavy emphasis on the social media tools that Democrat Barack Obama used so effectively to win the last presidential election.
Internet
Oct 13, 2009
1
0
A team at the Smithsonian Institution has scanned President Barack Obama's head to create the first 3D portrait of a sitting president.
Other
Jun 18, 2014
0
0
(PhysOrg.com) -- In a new book, UCLA historian Joan Waugh argues that Ulysses S. Grant deserves to be remembered with as much reverence and gratitude as Abraham Lincoln.
Other
Oct 26, 2009
0
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