While researchers had previously hypothesized that macrophages, a class of white blood cells, played a major role in thermogenesis, the new study suggests that the main driver of thermogenesis is the sympathetic nervous system, which is chiefly controlled by...
Saber-toothed cat skeleton (stock image).
Credit: © Vitezslav Halamka / Fotolia
Saber-toothed cats that roamed Los Angeles 12,000 years ago had many injuries to their shoulders and backbones that likely occurred when they killed large herbivore prey such as bison and...
Risky alcohol consumption can increase at time of retirement
Credit: © Photographee.eu / Fotolia
Of retiring employees, 12 percent increased their risky drinking at the time of retirement. However, for most people, there was no change in risky level alcohol consumption...
To better understand how age impacts random behavior, researchers assessed more than 3,400 people aged 4 to 91 years old.
Credit: © patpitchaya / Fotolia
People's ability to make random choices or mimic a random process, such as coming up with...
European eel.
Credit: © Picture Partners / Fotolia
Each year, young European eels make their way from breeding grounds in the Sargasso Sea to coastal and freshwater habitats from North Africa to Scandinavia, where they live for several years before returning...
Credit: Fischer Laboratory/Caltech
Two monkeys grooming each other about 20-30 million years ago may have helped produce a remarkable new find -- the first fossilized red blood cells from a mammal, preserved so perfectly in amber that they appear to...
Credit: Image courtesy of UT Southwestern Medical Center
Doctors for the first time can determine which medication is more likely to help a patient overcome depression, according to research that pushes the medical field beyond what has essentially been a...
Light-activated control of protein localization in mammalian cells. The protein is initially in the cytoplasm and excluded from the nucleus of the cell (blue area in the middle each cell). Upon illumination, the part of the protein that prevents...
A set of biochemical processes crucial to cellular life on Earth could have originated in chemical reactions taking place on the early Earth four billion years ago, believes a group of scientists from the Francis Crick Institute and the...
Intact genome from one particular mouse embryonic stem cell. Each of the cell's 20 chromosomes is colored differently.Credit: University of Cambridge and MRC Laboratory of Molecular Biology
Scientists have determined the first 3D structures of intact mammalian genomes from individual...
This is a 3-D colon cell culture model, as seen from a scanning electron microscope image.Credit:Jennifer Barrila, Biodesign Institute, Arizona State University
Vaccines and antimicrobials have done more to transform medicine and extend the average human lifespan than any other...
















