New tree ring analysis method may open insights to past climate

Satellite imagery of earth's vegetation, measurements of carbon dioxide in the air and computer models all help scientists understand how climate is affecting carbon dynamics and the world's forests. But these technologies ...

Ecologist finds optimism in Alaskan forests

Ice caps are melting, the ocean is acidifying and extreme weather is plaguing those who live in vulnerable areas. But in the face of climate change, there are also stories of hope: communities coming together, species adapting ...

Quantum predictions

Solving a complex problem quickly requires careful tradeoffs – and simulating the behavior of materials is no exception. To get answers that predict molecular workings feasibly, scientists must swap in mathematical approximations ...

Two steps ahead—neutrons help explore future HIV treatments

Human immunodeficiency virus (HIV) is a quick learner. As fast as researchers get effective anti-viral drugs into clinical trials, the virus evolves, deploying potent resistance mutations that render the medicine useless ...

Love vine sucks life from wasps, leaving only mummies

Early this spring, Rice University evolutionary biologist Scott Egan stood in a patch of live oak scrub habitat in South Florida and scanned the trees for something he'd never seen outside his lab—a wispy, orange vine twining ...

New approach yields high-purity radium for medical applications

Producing radium isotopes to treat cancer could get easier. Researchers developed a method to recover medical radium isotopes. The process begins with the dissolved proton-irradiated thorium target solution. The process then ...

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