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A new study co-authored by CU Boulder researchers has found diesel trucks, buses and cars emit 4.6-million tons more harmful nitrogen-oxide than standards permit. Higher standards and improved emissions tests could save lives, the authors say.

What an infant hears during sleep has an immediate and profound impact on his or her brain activity, potentially shaping language learning later in life, suggests a new University of Colorado Boulder study of slumbering babies. The research could result in better options for babies with hearing impairment.

Conventional wisdom has held that tropical forest growth will dramatically slow with increasing levels of rainfall. But CU Boulder researchers have turned that notion on its head with an unprecedented review of data concluding the opposite.

A new CU Boulder-led study of 40 recently brokenhearted men and women found that a placebo disguised as an emotionally soothing medicine eased their heartbreak and quieted areas of the brain related to rejection.

Professor Robert Batey and biotech firm founder Alexandria Forbes are partnering to develop a genetic on/off "switch." The mechanism could someday reduce the number of injections or infusions of medication to patients, allowing less invasive treatments for serious conditions.

None of the 22 native species of bumblebees in Boulder County showed declines over a recent five-year period, according to a new CU Boulder study. Two species previously believed to be disappearing were present in several locations. "It shows that Boulder County is doing something right," the study authors say.

A new study by CU Boulder criminologist David Pyrooz found that more juveniles leave gangs than join them while in jail or prison.

A new study of hundreds of twins suggests that teens with poor executive function are more likely to take risks, including experimenting with drugs and alcohol, but are not more prone to addiction.

Having traveled the world studying the social impact catastrophes have on marginalized populations, CU Boulder alumna Lori Peek returned to her alma mater in January to become director of the Natural Hazards Center, the nation's clearinghouse for disaster research. She says vulnerable populations should be top of mind in disaster planning.

Research suggests lactate, a metabolic byproduct that can interfere with sports performance, plays a role in cancer formation. And while people who regularly exercise tend to be able to clear lactate, others with a sedentary lifestyle, combined with excess sugar intake, may have a harder time.