Archive for the ‘biological’ category: Page 168
Jan 14, 2019
This year we will start discovering more new biological molecules
Posted by Klaus Baldauf in categories: biological, genetics, neuroscience
2019 will be the year in which we discover molecules and properties that are as yet unknown to humans. The breadth of biology and the enormous flexibility of genetic material will provide us with an ideal platform to explore an effectively unlimited number of molecules for novel materials and solutions. We will ultimately leave behind hydrocarbons and truly enter the biological age.
Joshua Hoffman is cofounder and CEO of Zymergen
– Meet the companies fixing depression by stimulating neurons.
Jan 14, 2019
Transhumanist science will free women from their biological clocks
Posted by Zoltan Istvan in categories: biological, genetics, geopolitics, health, science, transhumanism
I’m excited to share my new article from Quartz on how science will make it safer and easier for a 50-year-old woman to have a child in 2028 than a 25-year-old woman today. #IVG and #DelayedFertilityAdvantage are game changers.
Women’s biological clocks drive human conception—and, in turn, human history.
Biology’s inflexible window of female fertility is generally agreed to be between the ages 18 and 35. Any older, and the risk of miscarrying, not getting pregnant at all, or bearing unhealthy children skyrockets. When the average lifespan for a woman in the Western world now hovers at around 80 years old, this means that less than 25% of her life can be spent easily (and safely) procreating.
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Jan 13, 2019
Technique identifies electricity-producing bacteria
Posted by Shane Hinshaw in category: biological
Living in extreme conditions requires creative adaptations. For certain species of bacteria that exist in oxygen-deprived environments, this means finding a way to breathe that doesn’t involve oxygen. These hardy microbes, which can be found deep within mines, at the bottom of lakes, and even in the human gut, have evolved a unique form of breathing that involves excreting and pumping out electrons. In other words, these microbes can actually produce electricity.
Scientists and engineers are exploring ways to harness these microbial power plants to run fuel cells and purify sewage water, among other uses. But pinning down a microbe’s electrical properties has been a challenge: The cells are much smaller than mammalian cells and extremely difficult to grow in laboratory conditions.
Now MIT engineers have developed a microfluidic technique that can quickly process small samples of bacteria and gauge a specific property that’s highly correlated with bacteria’s ability to produce electricity. They say that this property, known as polarizability, can be used to assess a bacteria’s electrochemical activity in a safer, more efficient manner compared to current techniques.
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Jan 10, 2019
New role for brain’s support cells in controlling circadian rhythms
Posted by Xavier Rosseel in categories: biological, neuroscience
This new study, led by the MRC’s Laboratory of Molecular Biology (LMB) in Cambridge, used microscopic imaging to observe the detailed internal molecular clock timing of the astrocytes and neurons of the SCN. Surprisingly, this showed that although both types of cell have their own circadian clocks, they are differently regulated and were seen to be active at different times of the day. This delicate interplay was found to be critical in keeping the entire SCN clockwork ticking.
A new study has found that astrocytes, previously thought of as just supporting neurons in regulating circadian rhythms, can actually lead the tempo of the body’s internal clock and have been shown for the first time to be able to control patterns of daily behavior in mammals.
Jan 10, 2019
There’s a glitch at the edge of the universe that could remake physics
Posted by Michael Lance in categories: biological, chemistry, particle physics
One mysterious number determines how physics, chemistry and biology work. But controversial experimental hints suggest it’s not one number at all.
By Michael Brooks
IT IS a well-kept secret, but we know the answer to life, the universe and everything. It’s not 42 – it’s 1/137.
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Jan 7, 2019
TresClean: The #TresClean Project will develop high- throughput laser-based texturing for fluid- repellent and antibacterial metal surfaces using innovative industrial high-average power ultrashort-pulsed lasers in combination with high-performance scanning heads
Posted by James Christian Smith in categories: biological, food
These technologies will be applied to produce self- cleaning and aseptic machine parts for food industry.
Project will develop high-throughput laser-based texturing for fluid-repellent and antibacterial metal surfaces using innovative industrial high-average power ultrashort-pulsed lasers in combination with high-performance scanning heads. These technologies will be applied to produce self-cleaning and aseptic machine parts for food industry (e.g. components in contact with biological foods) and home appliances (e.g. dishwashers) by utilising a beam deliverary method over areas that can reach 250mm2.
Jan 7, 2019
“Bionic Mushrooms” Fuse Nanotech, Bacteria and Fungi
Posted by James Christian Smith in categories: 3D printing, biological, cyborgs, engineering, nanotechnology, transhumanism
(Hoboken, N.J. — Nov. 7, 2018) — In their latest feat of engineering, researchers at Stevens Institute of Technology have taken an ordinary white button mushroom from a grocery store and made it bionic, supercharging it with 3D-printed clusters of cyanobacteria that generate electricity and swirls of graphene nanoribbons that can collect the current.
The work, reported in the Nov. 7 issue of Nano Letters, may sound like something straight out of Alice in Wonderland, but the hybrids are part of a broader effort to better improve our understanding of cells biological machinery and how to use those intricate molecular gears and levers to fabricate new technologies and useful systems for defense, healthcare and the environment.
“In this case, our system – this bionic mushroom — produces electricity,” said Manu Mannoor, an assistant professor of mechanical engineering at Stevens. “By integrating cyanobacteria that can produce electricity, with nanoscale materials capable of collecting the current, we were able to better access the unique properties of both, augment them, and create an entirely new functional bionic system.”
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Researchers are tearing up the biology rule books by trying to construct cells from scratch. A special issue explores the lessons being learnt about life. Researchers are tearing up the biology rule books by trying to construct cells from scratch. A special issue explores the lessons being learnt about life.
Dec 30, 2018
We Have a New Understanding of the Rarest Symbiotic Relationship in Nature
Posted by Genevieve Klien in category: biological
Scientists have uncovered the mechanisms between the world’s first known invertebrate endosymbiotic relationship between an algae and a type of salamander.