biological sciences

New research indicates that some dinosaurs, at least, had the capacity to elevate their body temperature using heat sources in the environment, such as the sun.

Study by UCLA-led international team restores consensus after controversial 2014 paper questioned direct effects of climate change.

The particles are used in a wide range of consumer products for their ability to kill bacteria. But that benefit might be coming at a cost to the environment.

The UCLA professor of ecology and evolutionary biology founded the international Diversity Project.

Investigating how the mammalian olfactory sense can swiftly discriminate between thousands of odors.

Researchers will use a $600,000 donation from First Solar to create “genoscape” maps of migratory bird populations.

New UCLA-led research may produce a new way to predict health declines and, potentially, intervene to delay them.

Anthropologist Susan Perry has observed extraordinarily sophisticated political strategies in capuchin monkey behavior that mirror the social machinations so common in human workplaces.

At UCLA, there's a small but growing field of study looking into sex and gender biology.

Brad Shaffer, UCLA Distinguished Professor of Ecology and Evolutionary Biology, is the 2015 recipient of the Meritorious Teaching Award in Herpetology.

Researchers from the UCLA Institute of the Environment and Sustainability call for a federal ban on salamander imports to prevent a deadly pathogen from coming here.

The DNA-based discovery means the biological family Canidae has 36 members, not 35.

Five men who have been completely paralyzed for years moved their legs in a rhythmic motion, thanks to a noninvasive method of stimulating the spinal cord, UCLA scientists report.

Results could one day have an impact on the development of a treatment for osteoporosis as well as potentially help those with traumatic bone injuries.

Braving floods, fires and vampire mosquitoes, UCLA professor Susan Perry has spent 25 years chasing capuchin monkeys through the forests of Costa Rica. Her data have transformed what we know about these fascinating primates.

Research by scientists at the Broad Stem Cell Research Center shows that the cells carrying parents’ genes to a child are unprotected during part of the prenatal stage of development.

Eric Betzig, 2014 Nobel Laureate in chemistry, will speak at UCLA on June 1 about new optical imaging technologies for biology.

UCLA biologists have found that male aggression against potential rivals for females explains much of the phenomenon.

Using a tumor rejection antigen to identify stem cells could help ensure stem cell research studies are accurate.

California NanoSystems Institute researchers have imaged the atomic structures of three specific biological nanomachines, findings they hope advance work on antibiotics targeted toward specific pathogens.

New method for creating key motor neurons is more than five times more effective than previous efforts.

UCLA engineers and doctors developed a tool that can deliver nanoparticles, enzymes, antibodies and bacteria into cells thousands of times faster than current technology.

Stem cell gene therapy technique leads to production of healthy blood cells, could be used for other genetic diseases.

Life scientists have created an accurate new method to identify markers for many diseases — a significant step toward a new era of personalized medicine, tailored to each person’s DNA and RNA.

Screening travelers for fever on arrival has been criticized as ineffective, but the scientists found it can catch cases that screeners miss at departure.