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Archive for the ‘biological’ category

Oct 19, 2024

Fast super-resolved microscopy enables structured illumination and extended depth detection

Posted by in category: biological

Fluorescence microscopy is a powerful tool in biology, allowing researchers to visualize the intricate world of cells and tissues at a molecular level. While this technique has revolutionized our understanding of biological processes, imaging large and complex 3D structures, such as embryos or organoids, remains a challenge. This is especially true when studying intricate details beyond the optical resolution limit using structured illumination microscopy (SIM).

Oct 19, 2024

Brain Expansion: How Heliconius Butterflies Outsmart Their Peers

Posted by in categories: biological, food, neuroscience

Research on Heliconius butterflies illustrates how variations in brain circuits are aligned with their unique foraging behaviors, enhancing their spatial and visual memory.

A tropical butterfly species with uniquely expanded brain structures shows a fascinating mosaic pattern of neural expansion linked to a key cognitive innovation.

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Oct 18, 2024

Plants can serve as long-term renewable energy source: Study

Posted by in categories: biological, sustainability

Plants can emit electric potential when pulling water from their roots to nourish their stems and leaves.


Experiments showed that the electrical potential in plants varies in a cyclic rhythm that matches their daily biological processes. This potential increases with decreased ion concentration or increased pH in the fluid, linking it to the plant’s water transpiration and ion transport mechanisms.

“Our eureka moment was when our first experiments showed it is possible to produce electricity in a cyclic rhythm and the precise linkage between this and the plant’s inherent daily rhythm,” Chakraborty added. “We could exactly pinpoint how this is related to water transpiration and the ions the plant carries via the ascent of sap.”

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Oct 18, 2024

The huge protein database that spawned AlphaFold and biology’s AI revolution

Posted by in categories: biological, robotics/AI

It’s easy to marvel at the technical wizardry behind breakthroughs such as AlphaFold.


Pioneering crystallographer Helen Berman helped to set up the massive collection of protein structures that underpins the Nobel-prize-winning tool’s success.

Oct 17, 2024

Harnessing diamond imperfections opens a new frontier in quantum sensor development

Posted by in categories: biological, quantum physics

Quantum defects have the potential to act as ultra-sensitive sensors that could offer new kinds of navigation or biological sensor technology.

Oct 17, 2024

Dr. Leonard Tender, Ph.D. — Biological Technologies Office, DARPA — Next Generation Biomanufacturing

Posted by in categories: biological, chemistry, climatology, engineering, government, policy, quantum physics

Next Generation Biomanufacturing Technologies — Dr. Leonard Tender, Ph.D. — Biological Technologies Office, Defense Advanced Research Projects Agency — DARPA


Dr. Leonard Tender, Ph.D. is a Program Manager in the Biological Technologies Office at DARPA (https://www.darpa.mil/staff/dr-leonar…) where his research interests include developing new methods for user-defined control of biological processes, and climate and supply chain resilience.

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Oct 16, 2024

Brain delays could be a computational advantage, researchers say

Posted by in categories: biological, computing, neuroscience

Biological components are less reliable than electrical ones, and rather than instantaneously receive the incoming signals, the signals arrive with a variety of delays. This forces the brain to cope with said delays by having each neuron integrate the incoming signals over time and fire afterwards, as well as using a population of neurons, instead of one, to overcome neuronal cells that temporarily don’t fire.

Oct 14, 2024

New Research Suggests That We Are Nearing the Limit of Human Life Expectancy

Posted by in categories: biological, life extension

Life expectancy growth has slowed since 1990, with average gains of only 6.5 years in the longest-living populations, suggesting a possible biological limit. A new study emphasizes shifting focus from merely extending life to improving the quality of life through advancements in aging science. Life expectancy saw dramatic increases throughout…

Oct 12, 2024

What If We Became A Type 3 Civilization? 15 Predictions

Posted by in categories: augmented reality, bioengineering, biological, genetics, Ray Kurzweil, robotics/AI, singularity, transhumanism

This video explores what life would be like if we became a Type 3 Civilization. Watch this next video about us becoming a Type 2 civilization: • What If We Became A Type 2 Civilizati…
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SOURCES:
https://www.futuretimeline.net.
• The Singularity Is Near: When Humans Transcend Biology (Ray Kurzweil): https://amzn.to/3ftOhXI
• The Future of Humanity (Michio Kaku): https://amzn.to/3Gz8ffA

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Oct 12, 2024

Bio-Circuitry Mimics Synapses and Neurons — Accelerates Routes to Brain-Like Computing

Posted by in categories: biological, robotics/AI

Researchers at the Department of Energy’s Oak Ridge National Laboratory, the University of Tennessee, and Texas A&M University demonstrated bio-inspired devices that accelerate routes to neuromorphic, or brain-like, computing.

Results published in Nature Communications report the first example of a lipid-based “memcapacitor,” a charge storage component with memory that processes information much like synapses do in the brain. Their discovery could support the emergence of computing networks modeled on biology for a sensory approach to machine learning.

“Our goal is to develop materials and computing elements that work like biological synapses and neurons—with vast interconnectivity and flexibility—to enable autonomous systems that operate differently than current computing devices and offer new functionality and learning capabilities,” said Joseph Najem, a recent postdoctoral researcher at ORNL’s Center for Nanophase Materials Sciences, a DOE Office of Science User Facility, and current assistant professor of mechanical engineering at Penn State.

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