Donald Trump, taking the presidential oath of office in 2017.
Donald Trump has lately been called "treasonous" by some; others say he's violated his oath of office. What are the president's Constitutional obligations -- and who holds the president accountable?
Wildland firefighters, like this crew heading into New Mexico’s Gila National Forest, in 2012, are equipped and operate differently from urban firefighters.
USFS Gila National Forest
A historian of wildfires explains the difference between urban and rural fire cultures, and what it means for protecting communities in fire-prone rural areas.
An aerial view of Seligman, Arizona, looking west, dated March 12, 1971. Route 66 bisects the town.
James R. Powell Route 66 Collection/Newberry Library
'The Mother Road' is one step closer to becoming a National Historic Trail, which would allocate funds for struggling towns along the original Route 66.
Plaintiff Mark Janus, right, speaks outside the Supreme Court
AP Photo/Andrew Harnik
The Janus decision by the Supreme Court is a serious legal and financial blow to unions and their hundreds of thousands of members. But it will not kill public-employee unions or teachers' unions.
Carbon nanotubes are one of the products created from engineering at the nanoscale.
Last week, Elon Musk 'called BS' on nanotechnology. And it threw up an important question: just what is nanotech, and is it more hype than science?
Mark Zuckerberg's decision to heavily restrict Facebook's APIs turns an opaque social network into an unaccountable black box.
Testing a new voting machine is a good start.
AP Photo/David Goldman
As millions in federal dollars flow to states to protect elections, what should the money help pay for?
An autonomous vehicle struck and killed a pedestrian on March 18.
ABC-15.com via AP
Companies developing autonomous vehicles are missing out on the local knowledge and values of the people who live where these cars are tested. And that lack of engagement sets up bigger problems.
Subbing new risks for the current dyes’ dangers?
Less-toxic hair dye would be a great invention. But discounting the risks that come with nanoparticles could undermine other efforts to protect human health and environmental from their effects.
The intensity of heavy downpours in Houston has increased dramatically since the 1950s, leading some people to argue the city’s disaster planning and infrastructure are not up-to-date.
AP Photo/David J. Phillip
It's not just about rebuilding infrastructure after storms: Cities need to systematically rethink their knowledge systems which are at the heart of urban resilience.
Is this the endgame for any geoengineering scenario?
A disaster fantasy raises questions about tinkering with Earth's climate. With real-life scientists exploring geoengineering, what conversations should we be having now around these technologies?
Former astronaut Julie Payette urges Canada to use science, knowledge, and innovation as paths to better future for all, during her installation ceremony as Canada’s 29th Governor General in the Senate chamber of Parliament on Oct. 2.
(THE CANADIAN PRESS/Adrian Wyld)
Society needs more research that is both excellent and useful. We can achieve this by shifting the academic culture toward research that is Highly Integrative Basic and Responsive (HIBAR).
Will it be only a few decades before Mars tourism is a reality?
Musk’s audacious plan to blast people to Mars by 2024 glosses over some important social and political challenges that SpaceX will need to successfully navigate to get off the ground.
Flooding from Hurricane Harvey. Can the region rebuild infrastructure so that it can better withstand extreme weather events?
AP Photo/David J. Phillip
After extreme weather events like Hurricane Harvey, city planners need to think about the smartest way to rebuild. Here are some no-regrets infrastructure investment ideas.
Tuskegee Airmen and P-47.
San Diego Air & Space Museum Archives
What WWII-era African-American protests reveal about the historical relationship between Nazism and white supremacy in the United States.
A baby plays with blocks spelling out one of the most famous formulas in history.
A new report from the Environmental Defense Fund raises concerns about lead in our food supply. Here are some things you should consider.
Autonomous cars aren’t smarter than this.
A former animal trainer explains how we might usefully think about the limitations of artificial intelligence systems.
Tuna being lifted from a fishing boat.
Recently revised guidelines on mercury in seafood suggest cutting bait on some fish but making sure you eat other types. Then there are omega-3s to consider. Here are some tips to help you choose.
Let the games begin.
March Mammal Madness, a tournament of imaginary contests between pairs of mammals, makes science irreverent and fun. The event has thousands of fans and is used in hundreds of classrooms.
As the climate changes and the needs of humans increase, lesser-known species like the Ethiopian wolf will face greater risk.
It is crucial to integrate paleoclimate data into ecological studies. This will increase understanding of how species respond to climate change.