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The maker of a popular line of Brazilian Blowout hair straightening products settled a lawsuit that it misled consumers about the presence of formaldehyde in the products. Bill Whitaker reports on the latest details.

Water (H2O) has a simple composition, but its dizzyingly interconnected hydrogen-bonded networks make structural characterizations challenging. In particular, the organization of water surfaces—a region critical to processes in cell biology and atmospheric chemistry—has caused profound disagreements among scientists

(PhysOrg.com) -- Scientists at the Joint Quantum Institute (JQI) have for the first time engineered and detected the presence of high angular momentum collisions between atoms at temperatures close to absolute zero. Previous experiments with ultracold atoms featured essentially head-on collisions. The JQI experiment, by contrast, is able to create more complicated collisions between atoms using only lasers

Scientists have shown the energy conditions, under which a weak signal supplied to a physical system emerges as a stronger signal at the output thanks to the presence of random noise (a process known as stochastic resonance), in a paper that has just been published in European Physical Journal B.

A University at Buffalo-led research team has established the presence of a dynamic Jahn-Teller effect in defective diamonds, a finding that will help advance the development of diamond-based systems in applications such as quantum information processing.

Conductors of electrical current, including copper, heat up and limit the ability to increase circuit densities. Unusual materials that exhibit the so-called ‘quantum spin Hall effect’, in which current can flow without dissipating heat, could provide an alternative to conventional metals.

Out in space, NASA's Kepler mission keeps watch on more than 150,000 stars. Its job is to see if those stars dim ever so slightly--because of the presence of an orbiting planet. Kepler has already found more than 20 distant worlds that way

Why does a solid metal that is engineered for ductility become brittle, often suddenly and with dramatic consequences, in the presence of certain liquid metal impurities?

Intense magnetic fields were probably generated in the universe shortly after the Big Bang, according to an international team led by Christoph Federrath and Gilles Chabrier of the CRAL (Centre de Recherche Astrophysique de Lyon, France). The project offers the first explanation for the presence of intergalactic and interstellar magnetized gas

Blood tests are important diagnostic tools. They accurately tease-out vanishingly small concentrations of proteins and other molecules that help give a picture of overall health or signal the presence of specific diseases

Conventional poultry farms use antibiotics extensively, which contributes to the rise of antibiotic-resistant pathogens. But farms that turn to organic practices, including a ban on antibiotics, can greatly reduce antibiotic-resistant bacteria within only the first year of the change

Antibiotics don’t work against viruses. But doctors sometimes give antibiotics to patients who have what turns out to be a viral infection. Which adds to the growing problem of antibiotic resistance

Shielded from Earth-bound eyes, the far side of the moon is home to a rare set of dormant volcanoes that changed the face of the lunar surface, a new study finds.

We are prejudiced against all kinds of other people, based on superficial physical features: We react negatively to facial disfigurement; we avoid sitting next to people who are obese, or old, or in a wheelchair; we favor familiar folks over folks that are foreign. If I asked you why these prejudices exist and what one can do to eliminate them, your answer probably wouldn't involve the words "infectious disease." Perhaps it should.

PGT: Tiger Woods is not at Congressional physically, but his presence looms large.