New polymer tackles PFAS pollution

The problem of cleaning up toxic polyfluorinated alkyl substances (PFAS) pollution—commonly used in non-stick and protective coatings, lubricants and aviation fire-fighting foams—has been solved through the discovery ...

3-D printed tissues and organs without the scaffolding

Engineered tissues and organs have been grown with various degrees of success in labs for many years. Many of them have used a scaffolding approach where cells are seeded onto biodegradable supportive structures that provide ...

Molecular bait can help hydrogels heal wounds

Like fishermen, Rice University bioengineers are angling for their daily catch. But their bait, biomolecules in a hydrogel scaffold, lures microscopic stem cells instead of fish.

Getting the oil out of befouled water

Oil and water are famously reluctant to mix fully together. But separating them completely—for example, when cleaning up an oil spill or purifying water contaminated through fracking—is a devilishly hard and inefficient ...

Tackling the forensic unknowns of 3-D-printed firearms

In the summer of 2016, Transportation Security Administration screeners at Reno-Tahoe International Airport in Nevada confiscated an oddity: a 3-D-printed handgun in a man's carry-on baggage.

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