In 1997, scientists announced they'd created a healthy sheep cloned from another ewe's mammary gland cell. Two decades on, the technique is being refined and applied to new challenges.
Morgan Currie, University of California, Los Angeles and Britt S. Paris, University of California, Los Angeles
Activists today are racing to save climate records from the Trump administration. Secret archives were a powerful way to fight hostile political climates throughout history – from the Nazis to the Islamic State.
Republicans in Congress are working to kill an Obama administration rule that broadens public input into federal land use planning. Hunters, fishermen, hikers and environmental groups are opposed.
Basic safeguards are not enough to protect against insider threats. It requires rethinking how to overcome the biases that cause us to dismiss the danger.
David Craig, University of Southern California, Annenberg School for Communication and Journalism and Stuart Cunningham, Queensland University of Technology
Content creators with millions of fans are increasingly willing to voice their political views. Their influence on American politics may be in its infancy but it is growing fast.
Most of today's computer languages make it hard for programmers to protect users' privacy and security. The fix is to take those tasks out of human hands entirely.
Repealing a legal provision that excludes people in prison or jail from Medicaid could improve access to treatment, save state and local governments money and reduce recidivism.
The Johnson Amendment requires houses of worship to stay away from politics to receive tax exemptions. Yet, their leaders can speak out in a variety of ways that could reflect their religious views.
Would Abraham Lincoln ever have become president if he didn't stumble into a dry goods store in Springfield, Illinois, and strike up a friendship with its owner, Joshua Speed?
He campaigned on the notion that his business experience would equip him to 'make America great again,' but running a family company is poor training for the presidency.
Students with chronic illness often get only a few hours of education a week. Telepresence robots could let them participate fully in classroom and school activities.
The Trump administration may reverse a recent push to require oil companies to disclose more information about climate change risks to investors. Is that a good thing?
'Rural America' is a deceptively simple term for a remarkably diverse collection of places. Understanding – and improving – these parts of the country is critical for all Americans.
Nine out of 10 rural places experienced increases in diversity from 1990 to 2010. Data show a more diverse future is guaranteed across all of America, and there's no going back.
James P. Gibbs, State University of New York College of Environmental Science and Forestry
The Galapagos Islands' giant tortoises are one of the world's best examples of evolution. Scientists are pioneering new conservation strategies to save them from extinction and restore their habitat.
Dozens of governments have been using the insights from the burgeoning field to 'nudge' citizens in ways that improve their well-being. But some worry Trump might use it for less altruistic ends.
Are we headed to a magnetic reversal and all the global disruption that would bring? Enter archaeomagnetism. A look at the archaeological record in southern Africa provides some clues.
Scientists are concerned that politics will trump evidence in the new administration. A researcher of political psychology explains why these worries matter far beyond questions of science.
Lyndon Johnson, who was friends with evangelist Billy Graham, wasn’t targeting religious groups when he pushed his eponymous amendment in 1954.
AP Photo
President Trump recently repeated his pledge to eliminate the 63-year-old law, which bans charities from engaging in political activities, at the National Prayer Breakfast.
When scientists stand up, do they lose standing?
Liz Lemon
In the wake of the Flint water crisis and with a new notably anti-science president, U.S. scientists are reevaluating how to navigate the tension between speaking out and a fear of losing research funding.
You might think you're anonymous when you're browsing the web. But a new study shows that browsing history can often be tied to your real-world identity.
How does music training in early childhood help the developing brain?
woodleywonderworks
Time is fixed, but people experience hours, months and days in very different ways. One researcher has spent decades exploring this universal phenomenon.
The darknet, like the open internet, is not immune from illegal activity. But many darknet users are there in search of 'hacker ethics' values such as privacy and free speech.
Micro changes have macro results.
Darryl Leja, National Human Genome Research Institute, National Institutes of Health
New research suggests our gut microbes have their own circadian rhythms that in turn influence our organ functions. Is this an explanation for how disrupting our daily patterns can cause health problems?
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