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Coal train in Missouri. Assigning a social cost to carbon emissions puts a price on activities that generate them, such as burning fossil fuels. Scott Granneman/Flickr

Curbing climate change has a dollar value — here’s how and why we measure it

To weigh the economic impact of climate change policies, we need to estimate the social cost of carbon. An economist explains how it’s done and why the Trump administration shouldn’t end the practice.
Buddhist monks and family members of victims of the Fukushima tsunami and earthquake face the sea to pray on March 11, 2016 while mourning the victims of the March 11, 2011 disaster. REUTERS/Kyodo

How disaster relief efforts could be improved with game theory

March 11 marks the anniversary of the Fukushima earthquake. Natural disasters here in the US also have wreaked havoc. There may be a way to improve response to these natural disasters.
What if even you didn’t know your own password? Password via shutterstock.com

Why we should not know our own passwords

As searches of smartphones and other digital devices at US borders become more common, can research and computer science help protect travelers’ privacy?
A member of the Muslim Brotherhood during Egypt’s Freedom and Justice Party convention. Lilian Wagdy

Is the Muslim Brotherhood a terrorist organization?

The Muslim Brotherhood exists in the form of many local organizations and well as an international organization. Research shows there isn’t a coherent Muslim Brotherhood ideology.
Poul Henningsen’s Artichoke Lamp, viewed from below at London’s Park Plaza Hotel. Doc Searls/Wikimedia Commons

From the mundane to the divine, some of the best-designed products of all time

We asked five design experts – what’s your favorite product of all time, and why?
House Majority Whip Steve Scalise of Louisiana, left, joined by Rep. Phil Roe, R-Tenn., holds up a copy of the original Affordable Care Act bill during a news conference on Capitol Hill, Wed., March 8, 2017. J. Scott Applewhite/AP

House plan to replace Obamacare ‘has Republican DNA,’ especially regarding mandate

Republicans opposed Obamacare’s mandate as much as they decried any part of the bill. How would their replacement idea, pegged to incentives, work?
The world is searching – will we protect ourselves? Graphic via shutterstock.com

The WikiLeaks CIA release: When will we learn?

The latest release from WikiLeaks, of information about CIA hacking efforts, is yet another reminder of how Americans and our government must better protect our secret information.
Trump’s budget director, left, says White House spending priorities are straight out of the president’s mouth. Kevin Lamarque/Reuters

Why Trump’s ‘skinny’ budget is already dead

Trump is proposing a budget with little substance and filled with politically toxic spending cuts, making it very unlikely to go anywhere, even in a Republican Congress.
New research challenges the assumption that world food production must double by 2050 to keep up with demand. The authors call for more focus on conservation through measures such as these diverse winter cover crops planted on a Pennsylvania dairy farm. Mitch Hunter

We don’t need to double world food production by 2050 – here’s why

According to widely-cited estimates, world food production must double by 2050 to keep up with population growth. New research challenges this target and calls for balancing growth with conservation.
There wouldn’t be statues acclaiming Darwin and his theory if it couldn’t stand up to decades of testing. CGP Grey

Scientific theories aren’t mere conjecture – to survive they must work

In science, the word ‘theory’ has a very specific meaning that’s easy for nonscientists to misunderstand or misconstrue. Here’s what a theory must withstand to be accepted by the scientific community.
Cancer cells, in red, cannibalize a type of stem cell, shown in green. The red cells with small specks of green are breast cancer cells that have “eaten” the stem cell. Author provided.

How ‘cannibalism’ by breast cancer cells promotes dormancy: A possible clue into cancer recurrence

After treatment for breast cancer, many women receive the news that they are cancer-free. In many cases, the disease will come back. How and why does that happen? New findings offer an explanation.