The transition from single-cell to multicellular organisms was a major step in the evolution of complex life forms. Multicellular organisms arose hundreds of millions of years ago, but the forces underlying this event remain ...
Evolution
Feb 24, 2021
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42
Scientists have developed a pioneering new technique that could revolutionize the accuracy, precision and clarity of super-resolution imaging systems.
Biotechnology
Jan 21, 2021
1
54
Even the smallest molecule can tell a big story. For instance, observing a single molecule can throw light on underlying biological processes in the human body. In fact, molecular imaging procedures—which are noninvasive ...
Nanophysics
Jan 20, 2021
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50
Normally the word "chaos" evokes a lack of order: a hectic day, a teenager's bedroom, tax season. And the physical understanding of chaos is not far off. It's something that is extremely difficult to predict, like the weather. ...
General Physics
Jan 7, 2021
1
227
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
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19
Within a single cell, thousands of molecules, such as proteins, ions, and other signaling molecules, work together to perform all kinds of functions—absorbing nutrients, storing memories, and differentiating into specific ...
Cell & Microbiology
Nov 23, 2020
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234
Throwing and catching a ball is a familiar activity. But if the ball is replaced with something as tiny as a single molecule, is this task still possible? Can a single molecule be transferred to a specific, distant location, ...
Cell & Microbiology
Nov 19, 2020
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81
Small electronic circuits power our everyday lives, from the tiny cameras in our phones to the microprocessors in our computers. To make those devices even smaller, scientists and engineers are designing circuitry components ...
Nanomaterials
Nov 12, 2020
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8
My Little Sensor Lab at the University of Arizona develops ultrasensitive optical sensors for medical diagnostics, medical prognostics, environmental monitoring and basic science research. Our sensor technology identifies ...
Biochemistry
Oct 22, 2020
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11
CRISPR-Cas9, the gene-editing technique whose twin founders were honoured with the Chemistry Nobel on Wednesday, is a tool that can change the DNA of animals, plants and microorganisms with extreme precision.
Biotechnology
Oct 7, 2020
0
113
