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A quantum dot: A high-resolution transmission electron micrograph of cadmium telluride nanoparticles. (The scale bar in the lower right is 2 nanometers long, or two millionths of a millimeter.) Nagpal Group, University of Colorado

Fighting superbugs with nanotechnology and light

Quantum dots - minuscule semiconductor particles with specific light-absorption properties - can kill drug-resistant superbugs without harming the surrounding healthy tissue.
New Horizons continues to help unravel the icy dwarf planet’s secrets. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Picture of Pluto further refined by months of New Horizons data

After last summer’s Pluto flyby, the New Horizons spacecraft started sending data back to Earth – at 2 kilobits per second. Here’s some of what scientists have learned so far from that rich, slow cache.
All that computer power will still need a helping hand from our uniquely human expertise. Computers image via www.shutterstock.com

Beyond today’s crowdsourced science to tomorrow’s citizen science cyborgs

Computers are getting better and better at the jobs that previously made sense for researchers to outsource to citizen scientists. But don’t worry: there’s still a role for people in these projects.
Children’s ideas about what is fair can be different from those of adults. Enoch Lai

How do children decide what’s fair?

Children have their own idea of justice, which develops fairly early. So, what’s fair sharing for children? What do they think about rewards and what is their idea of fair punishment?