The nucleus of a cell is well-shielded by a double membrane to protect its most sensitive possession—its DNA. Anything that enters or exits must pass through the nuclear pores, cylindrical structures made of hundreds of ...
Cell & Microbiology
Jan 7, 2021
0
346
Actin is among the most abundant proteins in cells, and it has many jobs—from giving the cell its very shape and structure to managing networks of proteins crucial to numerous cellular functions. Without it, the fragile ...
Cell & Microbiology
Oct 26, 2020
0
30
The human blood meal is a favorite recipe for female mosquitoes. So drawn to its taste, they can't help but bite—and in the process they spread diseases that claim 500,000 lives each year.
Plants & Animals
Oct 13, 2020
0
202
One feature of cell division has long puzzled scientists. The nucleus briefly disappears, leaving the cell's DNA exposed. Normally, bare DNA indicates a viral infection and triggers enzymatic alarms that alert the immune ...
Cell & Microbiology
Sep 15, 2020
0
78
Exactly how viruses replicate is a complex puzzle with many missing pieces. And in the age of the pandemic, solving it has become a matter of acute urgency.
Cell & Microbiology
Aug 10, 2020
2
239
DNA scientists investigating new marine life migration patterns in the Atlantic Ocean surfaced the genetic traces of species far from their usual southern homes.
Ecology
May 12, 2020
0
12
Each of the body's cells contain a miniature version of New York's subway system—an intricate network of tracks called microtubules along which cargo moves from place to place. The integrity of this system is essential ...
Cell & Microbiology
Apr 22, 2020
0
3
Turtle ant soldiers look like real-life creatures straight out of a Japanese anime film. These tree-dwelling insects scuttle to and fro sporting shiny, adorably oversized heads, which they use to block the entrances of their ...
Plants & Animals
Mar 9, 2020
4
2433
The cells under Sanford M. Simon's microscope could easily be mistaken for neurons—they sport the characteristic long branches, and blips of light indicating bursts of calcium traveling from cell to cell. But looks can ...
Cell & Microbiology
Feb 13, 2020
1
8
Just like the body contains lungs, liver, and lymph nodes, so does each of the body's cells contain tiny specialized organs. Perhaps most peculiar among them are lysosomes—bubble-like sacks that act as part recycling bin, ...
Molecular & Computational biology
Jan 23, 2020
0
100
