Criada pela Universidade do Colorado, a plataforma PhET, totalmente gratuita e sem publicidade, permite explorar fenómenos científicos em simulações interativas desenvolvidas e validadas por investigadores. Está disponível em diversos idiomas, não exige registo nem instalação de software.

The post PhET: mais de 170 simulações gratuitas para aprender física, química, matemática e biologia de outra forma interativa appeared first on Tek Notícias.

A prolonged drought means the nation’s largest reservoirs are dwindling, and litigation over access to water could lie ahead.

A prolonged drought means the nation’s largest reservoirs are dwindling, and litigation over access to water could lie ahead.

© Nina Riggio for The New York Times

An endocrinologist’s new weight-care system halted population-level weight gain and could reshape obesity treatment across America. For years, endocrinologist Leigh Perreault, MD, believed there had to be a more effective way to help people manage their weight than simply advising them to eat healthier and exercise more. “There was a moment I put my face [...]

A look at the quest to mine the bottom of the ocean for valuable minerals, the connection between light pollution and allergies and more climate news.

© The New York Times

Investigation reveals regulator let firms off the hook on cleanup bonds despite backlog that will take decades to clear

When Christiaan van Woudenberg moved to Erie, Colorado, in 2007, he never imagined he would become an anti-fracking activist. He simply thought he was buying his dream home – a four-bedroom with a panoramic mountain view, 30 minutes north of downtown Denver.

Then, in 2014, the drilling started. Oil and gas rigs sprang up, some just 800ft (240m) from his bedroom window. The dream turned to nightmare: loud noises rumbled all night long, and the air stank like exhaust. Neighbors started getting headaches and nosebleeds, and Van Woudenberg developed new respiratory issues. He kept his windows shut and worried about his daughters going outside.

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© Composite: Rita Liu/The Guardian/Getty Images/Civitas/Chevron/OXY

© Composite: Rita Liu/The Guardian/Getty Images/Civitas/Chevron/OXY

© Composite: Rita Liu/The Guardian/Getty Images/Civitas/Chevron/OXY

By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.

The post Fungi Bloomed Twice around End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.