Lasers are used in a range of everyday devices, harnessing the power of light molecules, photons, - lined up to form highly concentrated beams of light—to perform now common tasks such as scanning barcodes and removing ...
Optics & Photonics
Dec 1, 2020
0
14
Carbon is one of the main building blocks for life on Earth. It's abundant in our planet's atmosphere, where it's found in the form of carbon dioxide. Carbon makes its way into Earthlings' bodies mainly through the process ...
Plants & Animals
Nov 25, 2020
1
167
The next time you visit a lake or the seashore, take a deep breath. As you exhale, take a moment to be thankful for the little things: Specifically, for the microscopic, single-celled algae in the soil and waters all around ...
Molecular & Computational biology
Nov 25, 2020
1
71
The addition and removal of methyl groups on DNA plays an important role in gene regulation. In order to study these mechanisms more precisely, a German team has developed a new method by which specific methylation sites ...
Biochemistry
Nov 24, 2020
0
19
In high school textbooks, human chromosomes are pictured as wonky Xs like two hotdogs jammed together. But those images are far from accurate. "For 90 percent of the time," said Jun-Han Su, "chromosomes don't exist like that."
Cell & Microbiology
Nov 18, 2020
4
3117
Maybe you go for a leisurely walk, curl up with a good book, lift weights or reach for some comfort food when you're not feeling well or have had a particularly stressful day. Although there are myriad ways that we all outwardly ...
Plants & Animals
Nov 18, 2020
0
40
Scientists can now select individual cells from a population that grows on the surface of a laboratory dish and study their molecular contents. Developed by University of Toronto researchers, the new tool will enable a deeper ...
Cell & Microbiology
Nov 11, 2020
0
124
Finding just the right model to study human development—from the early embryonic stage onward—has been a challenge for scientists over the last decade. Now, bioengineers at the University of California San Diego have ...
Biotechnology
Nov 4, 2020
0
23
Modern animals—including humans—are stunningly complex organisms made of many billions of cells that work together. These complex multicellular organisms evolved from much simpler organisms, and those, in turn, evolved ...
Cell & Microbiology
Oct 23, 2020
0
281
Most scientists agree that life on Earth began about 4 billion years ago, but they don't agree where—on land or in water. They know that about 2 billion years ago, single-celled organisms evolved into complex plants and ...
Molecular & Computational biology
Oct 14, 2020
0
108
