One of the fundamental goals of basic biology is understanding how diverse cell types work in concert to form tissues, organs, and organ systems. Recent efforts to catalog the different cell types in every tissue in our bodies ...
Cell & Microbiology
Mar 6, 2024
0
1
Half a century ago, scientists Jim Watson and Alexey Olovnikov independently realized that there was a problem with how our DNA gets copied. A quirk of linear DNA replication dictated that telomeres that protect the ends ...
Molecular & Computational biology
Feb 28, 2024
0
244
The natural ends of chromosomes appear alarmingly like broken DNA, much as a snapped spaghetti strand is difficult to distinguish from its intact counterparts. Yet every cell in our bodies must have a way of differentiating ...
Cell & Microbiology
Feb 15, 2024
0
64
When we walk down the street, we have an internal sense of which way we are heading from looking at street signals and physical landmarks and also a sense of where we'd like to go. But how does the brain coordinate between ...
Cell & Microbiology
Feb 7, 2024
0
13
Within every developing embryo lies the mystery of self-organization: How does an organism go about shaping itself even while it's in the process of making its parts?
Cell & Microbiology
Dec 11, 2023
0
50
There's no organism on Earth that lives free of threat—including bacteria. Predatory viruses known as phages are among their most dire foes, infiltrating their cells to replicate and take over. Bacteria have evolved an ...
Cell & Microbiology
Nov 15, 2023
0
34
If a delivery person leaves a package on your front step without pinging you, you likely won't know it's there. A hungry cell awaiting refuel is in a similar position. It has to be alerted to the presence of nutrients outside ...
Cell & Microbiology
Nov 6, 2023
0
155
The European starling boasts a remarkable repertoire. Versatile songbirds that learn warbles, whistles, calls, and songs throughout their lives, starlings rank among the most advanced avian vocal learners. Now a new study ...
Plants & Animals
Sep 14, 2023
0
73
None of us are born with a fully functioning immune system, and the first few months of life are crucial for establishing strong lifelong defenses. Better understanding how germs influence the development of human immunology ...
Cell & Microbiology
Jun 13, 2023
0
80
Cellular life hinges on a network of hollow cables called microtubules dynamically lengthening and shortening according to the needs of the moment. During cell division, for instance, these cables latch onto chromosomes and ...
Cell & Microbiology
May 1, 2023
0
20
