Sheaths drive powerful new artificial muscles

Over the last 15 years, researchers at The University of Texas at Dallas and their international colleagues have invented several types of strong, powerful artificial muscles using materials ranging from high-tech carbon ...

Shape-encoded dynamic assembly of mobile micromachines

Field-directed and self-propelled colloidal assembly can be used to build micromachines to perform complex motions and functions, although their integration as heterogenous components with specified structures, dynamics and ...

Eternally stinky city? Rome garbage crisis sparks health fears

Landfills in flames and rats feasting on waste in the streets have sparked health fears in Rome, as doctors warn families to steer clear of disease-ridden curbside garbage and locals launch a disgusting dumpster contest online.

Solar weather has real, material effects on Earth

On Sep. 1, 1859, solar astronomer Richard Carrington witnessed sunspots that suddenly and briefly flashed brightly before they disappeared. Just before dawn the next day, auroras erupted over most of the Earth, reaching as ...

The high cost of perfectionism

A little self-doubt at work can be a good thing, but like anything else—too much can be a bad thing.

The real midlife crisis confronting many Americans

The way my mom imagined it, midlife was going to be great: counting down days until retirement, spending winters in Florida and checking off destinations on her bucket list. But it hasn't turned out that way.

The anthropology of climate change and glacier retreat

Ben Orlove, an anthropologist, has conducted field work in the Peruvian Andes, East Africa, the Italian Alps and Aboriginal Australia. His early work focused on agriculture, fisheries and rangelands. More recently he has ...

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