An MRI image of the brain.
Not all drug development needs to start from scratch. Sometimes researchers discover that a drug developed for one disease can be used for another. Here a cancer drug may show promise for dementia.
Scientists are raising Miami blue butterflies in captivity and reintroducing them in south Florida.
Jeff Gage/Florida Museum of Natural History
How do you pack butterflies for shipping, or frogs for an overland hike to a new habitat? Three scientists explain how they keep threatened species safe on the road and in the air.
Many California wildfires spread from structure to structure, fed by the winds.
The dry, hot, downslope Santa Ana winds of Southern California fan late fall wildfires that have largely traveled through – and are fueled by – homes and other structures.
What do synchronized vibrations add to the mind/body question?
A resonance theory of consciousness suggests that the way all matter vibrates, and the tendency for those vibrations to sync up, might be a way to answer the so-called 'hard problem' of consciousness.
Una mujer en Venezuela muestra los nuevos billetes de dos y cinco bolívares ‘soberanos’.
Reuters/Carlos Garcia Rawlins
Venezuela acaba de devaluar el bolívar en un 95 por ciento para aliviar la hiperinflación que hizo subir los precios a niveles inconcebibles. Un economista cree que no va a funcionar.
A woman in Venezuela shows off the new two and five bolivar soberano bills.
Reuters/Carlos Garcia Rawlins
Venezuela recently devalued its bolivar by 95 percent to tame rabid hyperinflation that has been sending prices on everyday goods through the roof. If history is a guide, it won't work.
Cal Fire Division Chief Mark Higgins directs helicopters dropping water in Lakeport, California.
AP Photo/Noah Berger
As California reels from another devastating fire season, environmental resource scholars explain how the state – and other fire-prone areas – can better prepare and coexist with wildfires.
Predatory fish are among the most vulnerable species to human pressures.
The world has some 500 million square kilometres of ocean. But just 55 million square kilometres remain untouched by intensive human activities such as fishing.
Juvenile blue tang sheltering in restored staghorn coral.
With coral reefs in crisis around the world, many organizations are working to restore them by growing and transplanting healthy corals. A new study spotlights techniques that help restored reefs thrive.
Millions of American students miss large chunks of the school year.
A new report says a "culture of passing" led to the graduation scandal at Ballou High School in Washington, DC, but the scandal points to the much larger problem of chronic absenteeism in the US.
Treasury Secretary Steven Mnuchin walks through the snow at Davos.
AP Photo/Markus Schreiber
The treasury secretary said a weak dollar would be 'good' for the U.S. Here's why he's wrong.
Surgeons in Switzerland use the robot da Vinci to aid a hernia operation. Over a third of US hospitals have at least one surgical robot.
AP Photo/Keystone, Salvatore Di Nolfi
There are more robots than ever in the operating room – but that's led to fewer opportunities for surgical trainees. Now, some new doctors are teaching themselves in secret.
This fire season has been particularly damaging to urban areas.
AP Photo/Reed Saxon
With wildfires continuing to rage across southern California, a fire researcher says lowering fire risk means reconsidering where and how we build our communities.
Graduate students and others rally against the proposed GOP tax reform bill.
Universities play a vital role in promoting economic growth, something the writers of the Republican tax plan have apparently forgotten.
Students work on an experiment in a biotech class at Antioch High School in Antioch, California.
AP Photo/ Ben Margot
Career and technical education, or CTE, can boost the chances of high school graduation and lower the likelihood of dropping out, but timing is crucial, researchers argue.
Orang dewasa yang melajang tidak perlu dikasihani. Studi bilang, mereka justru lebih bahagia ketimbang kita.
Pike Place Market, Seattle.
A new study shows that sustainable fish farming in deep ocean waters could produce as much seafood as all of the world's wild fisheries, in a space the size of Lake Michigan or Africa's Lake Victoria.
Why do we think of a firefighter as a man and a nurse as a woman and not the other way around?
Why do we consider some occupations 'male' and other 'female'? New research sheds some light on how giving jobs genders hurts everyone, men included.
Single people are often thought of as insecure, self-centered and sad. But one social scientist spent the past 20 years studying them – and found that they're a boon to communities across the country.
Wind turbines require massive structures that are polluting to produce and can harm ecosystems, but these impacts compare favorably with those of fossil alternatives.
No energy source is perfect, but solar and wind have a much lower health and environmental footprint than fossil fuels, a study finds. Biopower, though, is a mixed bag.