Previously unrecognized control point identified as target for drugs that block transition. A new study led by University of California, Irvine researchers is the first…
Posts published in “Biology”
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Intense ivory poaching during the Mozambican Civil War (1977-1992) resulted in the rapid evolution of tusklessness in female African elephants amid a precipitous population decline,…
Our DNADNA, or deoxyribonucleic acid, is a molecule composed of two long strands of nucleotides that coil around each other to form a double helix.…
The microtubule network (green) re-organizes at the muscle lesion and attracts myonuclei. Credit: William Roman, iMM Muscle is known to regenerate through a complex process…
Knocking out transposon promoter leads to pup death in mice; similar promoters found in many mammals. Nearly half of our DNADNA, or deoxyribonucleic acid, is…
Credit: Barth van Rossum for Caltech If you are a researcher who wants to see how just a few cells in an organism are behaving,…
The “ray gun” instrument, a spectroradiometer. Credit: Courtesy of Lance Stasinski In Star Trek, characters carry a little handheld device called a tricorder that they can…
Egg and sperm cell size evolved from competition. Limited resources drove gametes to differ vastly in size and number. In most living animals, egg cells…
Credit: Dr. Tim Blower, Durham University A new study led by a team of bioscientists from Durham University, UK, in collaboration with University of Liverpool,…
A model of the human nuclear pore complex depicts the major proteins that make up the pore’s three rings. Top to bottom: The Cytoplasmic Ring…
New research reveals microglia, immune cells in the brain, are critical “support staff,” tending the vessels and even regulating blood flow. University of Virginia School…
A sampling of snake diversity. Clockwise from upper left: rainbow boa (Epicrates cenchria), image credit Pascal Title, U-M Museum of Zoology; Amazon basin tree snake…
Heart Clocks: Scientists Uncover a Circadian Rhythm in Heart Cells That Affects Their Daily Function
Heart Clocks: Scientists Uncover a Circadian Rhythm in Heart Cells That Affects Their Daily Function
Heart clocks regulate the daily variation in heart rate — Each heart cell has a clock that regulates the frequency of firing rate between day…
The injected green algae (green) sit inside the blood vessels (magenta) like a string of pearls. Credit: Özugur et al./iScience Photosynthesizing algae injected into the…
Credit: University of Cambridge Scientists discover how T cell assassins reload their weapons to kill and kill again. Cambridge researchers have discovered how T cells…
Credit: Anna Zora Researchers have captured on film the moment when a Seychelles giant tortoise, Aldabrachelys gigantea, attacked and ate a tern chick. This is…
Soumya Kannan is a 2021-22 Yang-Tan Center for Molecular Therapeutics Graduate Student Fellow in the lab of MIT Professor Feng Zhang and co-first author with…
Cinnabar larvae feeding on ragwort. Credit: Callum McLellan Young birds that eat insects with conspicuous warning colouration to advertise their toxicity to would-be predators quickly…
Researchers have uncovered a mechanism that may explain why certain body parts are so sensitive. Some parts of the body—our hands and lips, for example—are…
On the edge: Disease and habitat loss is decimating wild amphibian populations globally, with more than 200 species needing urgent intervention through captive breeding, says…