Monarch butterflies make one of the most extraordinary migrations in the natural world, often traveling thousands of miles across North America. Now, scientists are using new tracking technology to get a greater understanding of those journeys. Ali Rogin speaks with Dan Fagin, a Pulitzer Prize-winning journalist who teaches science journalism at New York University, to learn more.
2026 — Trends and Insights on Cybersecurity, Artificial Intelligence, and Quantum Computing
By Chuck Brooks
Dear readers, Happy New Year! Please see the latest Security & Tech Insights newsletter that explores evolving tech and security trends for 2026. It is going to be an exciting year for AI, Quantum, Cybersecurity, Space and Robotics! Thanks, and best Chuck Brooks
What Every Company Needs To Know About Cybersecurity In 2026
After 48 hours of abstinence, 43% of 190 cannabis users still exceeded zero-tolerance THC limits, with 24% above 2 ng/mL and 5.3% above 5 ng/mL.
How does cannabis THC impact driver impairment and DUI laws? This is what a recent study published in Clinical Chemistry hopes to address as a team of researchers investigated current cannabis DUI laws and whether they are effective in identifying impaired drivers from cannabis use. This study has the potential to help researchers, law enforcement, medical professionals, and the public better understand cannabis DUI laws and whether they should be adjusted to accurately depict and identify impaired drivers.
For the study, the researchers analyzed data obtained from 190 cannabis users to evaluate baseline THC concentrations after 48 hours and whether they exceeded the current legal limits of THC concentrations. These limits include 2 or 5 ng/mL of THC in several states while some states have zero-tolerance policies. The participants were instructed to abstain from cannabis use for 48 hours to be evaluated for their THC levels. In the end, the researchers found that 43 percent of the participants exceeded zero-tolerance levels after 48 hours of abstaining from cannabis while 24 percent had baseline THC levels more that 2 ng/mL and 5.3 percent has greater than 5 ng/mL.
The study concluded, “More work needs to be done to address how to best identify drivers who are under the influence of cannabis and are unsafe to drive. A brief editorial highlights many of the challenges faced when developing a reliable test of cannabis impairment. At present, the best protocol is a combination of observations in the field and toxicology testing. We recognize that the current state of the art is lacking and have made recommendations on pathways for improvement. We feel that an essential component of improving highway safety is collaborations between law enforcement and the scientific community to develop standards that are unbiased and potentially lifesaving.”
Singapore has one of the highest life expectancies in the world, yet many individuals spend almost a decade in poor health toward the end of life. Scientists from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine) are working to understand how aging itself can be modified to prevent age-related diseases, including Alzheimer’s disease.
A new study led by Professor Brian K Kennedy, Department of Biochemistry, Chair of the Healthy Longevity Translational Research Program (TRP), NUS Medicine, has discovered that calcium alpha-ketoglutarate (CaAKG), a safe, naturally occurring metabolite commonly studied for healthy aging, can restore key memory-related brain functions that have been disrupted in Alzheimer’s disease.
The paper is published in the journal Aging Cell.
I like stephen Wolfrem I’m an admirer.
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Blog post with audio player, show notes, and transcript: https://www.preposterousuniverse.com/podcast/2021/07/12/155-…l-physics/
It’s not easy, figuring out the fundamental laws of physics. It’s even harder when your chosen methodology is to essentially start from scratch, positing a simple underlying system and a simple set of rules for it, and hope that everything we know about the world somehow pops out. That’s the project being undertaken by Stephen Wolfram and his collaborators, who are working with a kind of discrete system called “hypergraphs.” We talk about what the basic ideas are, why one would choose this particular angle of attack on fundamental physics, and how ideas like quantum mechanics and general relativity might emerge from this simple framework.
Stephen Wolfram received his Ph.D. in physics from Caltech. He is the founder and CEO of Wolfram Research, and the creator of Mathematica, Wolfram|Alpha, and the Wolfram Language. Among his awards are a MacArthur Fellowship. Among his books is A New Kind of Science. He recently launched the Wolfram Physics Project.
Mindscape Podcast playlist: https://www.youtube.com/playlist?list=PLrxfgDEc2NxY_fRExpDXr87tzRbPCaA5x.
A landmark 2024 study reveals the staggering danger of our sedentary lifestyles, with a 300% higher risk of mortality for those who barely move. But there’s a simple, powerful antidote already within your reach. In this update, we dive into the data showing how just 15 minutes of daily walking can dramatically slash your risk and add healthy years to your life, ensuring you’re here to benefit from the incredible age-reversal breakthroughs on the horizon.
The future is arriving faster than you think. We’re also bringing you an exclusive, first-look update on the revolutionary OSK (Yamanaka factor) research aimed at reversing biological aging. From groundbreaking success in mice to imminent primate trials, we break down the timeline and science that could make meaningful age reversal a human reality. Don’t let a sedentary present cut short your chance at a longer, younger future.
Credits To : Perpetual Life & Mr. Bill Faloon
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Hidden ice beneath Mars’ surface may mark the spot where humanity first sets foot on the Red Planet. A newly identified region on Mars may hold the key to future human landings. Researchers found evidence of water ice less than a meter beneath the surface, close enough to be harvested for water, oxygen, and fuel. The location strikes a rare balance between sunlight and cold, helping preserve the ice. It could also offer clues about whether Mars once supported life.
Before humans can make the long trip to another world, scientists must identify a safe and practical place to land. New research led by a University of Mississippi scientist suggests one region on Mars may meet many of the requirements for future human missions.
Erica Luzzi, a planetary geologist and postdoctoral researcher with the Mississippi Mineral Resources Institute, led a study that uncovered signs of water ice located just below the Martian surface. The research, published in the Journal of Geophysical Research: Planets, points to a possible local water supply that astronauts could rely on during extended stays on Mars.
Researchers at the University of Southampton have identified a new strategy that could strengthen how the immune system responds to cancer.
Reporting their findings in Nature Communications, the scientists describe the use of specially engineered antibodies designed to more effectively switch on T cells that are capable of destroying cancer cells.
These antibodies act by ‘grabbing’ and ‘clustering’ several immune cell receptors at once, increasing the strength of the signal that instructs T cells to attack tumors.