Gene repression can be sex-specific
Researchers have shown for the first time that embryonic cells destined to become either egg or sperm rely on different methods of repressive gene regulation.
Researchers have shown for the first time that embryonic cells destined to become either egg or sperm rely on different methods of repressive gene regulation.
Cell & Microbiology
Dec 9, 2021
0
39
Launched in 2001, NASA's TIMED mission has now spent 20 years surveying the complicated dynamics of Earth's upper atmosphere. Short for Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics, TIMED observes the chemistry ...
Planetary Sciences
Dec 9, 2021
0
13
A Melbourne bookshop worker shoved down an escalator. Another scalded by a cup of hot coffee thrown at them. A trolley thrown at yet another.
Social Sciences
Dec 9, 2021
0
11
Across the Old Crow Flats in the northern Yukon, lakes are telling a story of climate-driven change.
Ecology
Dec 9, 2021
0
7
Ecologists estimate that 15 to 37 percent of plant and animal species will go extinct as a direct result of the rapidly changing climate. But new University of Arizona-led research published in the journal Ecology Letters ...
Ecology
Dec 9, 2021
0
494
Horse owners usually dread hearing the diagnosis of laminitis. The disease plagues horses of many backgrounds, ages, and disciplines. Now, using genetics, scientists from Penn's School of Veterinary Medicine and the University ...
Molecular & Computational biology
Dec 9, 2021
0
6
Very distant, active supermassive black holes are the brightest beacons in the universe. Known as quasars, these behemoths are surrounded by equally distant galaxies. In recent decades, researchers have gone on a cosmic treasure ...
Astronomy
Dec 9, 2021
0
281
Mirror, mirror on the moon, how far away are you?
Planetary Sciences
Dec 9, 2021
0
4
The movement of water masses in the ocean, its circulation, is an essential component of the global climate system. In a study recently published in the journal Proceedings of the National Academy of Science (PNAS), researchers ...
Earth Sciences
Dec 9, 2021
1
157
Subaqueous mass-transport processes, including gravity-induced slides, slumps and debris flows, are one of the mechanisms for transport of sediment into the deep sea.
Earth Sciences
Dec 9, 2021
0
4