SciTechDaily

DNA Solves a 166-Year-Old Mystery From the Doomed Franklin Expedition

New research reveals more details about the doomed mission to find the Northwest Passage. Researchers have now identified four additional members of Sir John Fr...

5 days ago

Researchers Discover a Gut Microbe Metabolite That Supercharges Cancer Immunotherapy

A microbial metabolite called 3,4 dihydroxybenzoic acid, derived from dietary fiber, improved antitumor immunity in mice. A compound made by gut bacteria during...

5 days ago

How Often You Exercise May Matter More Than How Hard You Work Out for Mental Health

When it comes to reducing the risk of depression and anxiety, how often students exercise may matter more than how hard they push themselves. A large Norwegian...

5 days ago

NASA’s Curiosity Rover Discovers a Strange “Honeycomb” Landscape on Mars

A strange honeycomb landscape on Mars may preserve the scars of ancient cycles of rain, drought, and cracking mud. The surface of Mars is home to some of the mo...

5 days ago

Mercury Isn’t What Scientists Thought: New Study Reveals a Surprisingly Different Surface

From tiny glass beads and a map of the Moon to Mercury, a new study uses an indirect method to determine the silicon dioxide content of Mercury’s surface. Mercu...

5 days ago

A New Human Organ Chip Reveals How Cancer Invades the Body

Cancer’s spread to distant organs can now be studied using lab-grown bone, lung, and blood vessel tissues. Cancer becomes far more dangerous when it stops being...

5 days ago

Scientists Discover Immune Cells Are Eating Living Neurons in ALS

Salk Institute scientists found that immune cells in the central nervous system identify and kill specific nerve cells in the spinal cords of mice with late-sta...

5 days ago

These Toads Are Surviving a Deadly Fungus – Scientists May Finally Know Why

Earlier development of diverse antimicrobial peptides may help some toad populations survive devastating chytrid fungus outbreaks. A deadly fungus has devastate...

5 days ago

These Brain Cells May Explain Why We Eventually Have To Sleep

The longer we stay awake, the more certain brain cells appear to turn up the pressure to sleep, eventually making rest nearly impossible to resist. Sleep drive...

5 days ago

Scientists Discover Hidden Cells That Help Lung Cancer Evade the Immune System

Newly identified CHL1 fibroblasts may help lung cancers escape immune attack by recruiting regulatory T cells around tumors. A previously unknown population of...

5 days ago

Tomatoes Contain an Invisible Ingredient With Surprising Effects on Liver Health

A tomato contains a hidden ingredient that the eye cannot see, and it may be just as important to liver health as the red pigment that made the fruit famous. Re...

5 days ago

Scientists Push Molecules on a Surface to the Ultimate Quantum Limit

An ultra-clean crystal surface allowed individual molecules to preserve quantum coherence at the fundamental Fourier limit. A molecule placed on a surface shoul...

5 days ago

World’s First Heat-Powered Cooling System Turns Waste Heat Into Cold

Researchers have developed the world’s first heat-driven elastocaloric cooling system, using waste heat and solar energy to support sustainable cooling. A cooli...

5 days ago

Greenland Just Lost a Manhattan-Sized Slab of Ice

A Manhattan-sized ice island has broken free from Greenland’s Petermann Glacier, and scientists say even bigger breaks may be coming. Europe’s Copernicus Sentin...

5 days ago

Antarctica Gained a Record 695 Billion Tons of Ice in Just Two Years

A tropical warming event helped drive record snowfall and a temporary 695-billion-ton ice gain in East Antarctica without reversing long-term Antarctic ice loss...

5 days ago

SpaceX Dragon Leak Delays NASA’s Next Astronaut Launch

A leak in SpaceX’s Dragon propulsion system has delayed NASA’s Crew-13 launch while engineers work to clear the spacecraft for flight. NASA and SpaceX are delay...

5 days ago

Don’t Miss: A Brilliant Venus and Glowing Harvest Moon Light Up the Sky

September offers several eye-catching skywatching opportunities, including a brilliant Venus, the September equinox, and a Harvest Moon rising near Saturn and N...

5 days ago

New Twist on the Einstein Problem Reveals Unexpected Physics

Optical structures based on the Smith hat produced unusual light patterns that reflected their lack of mirror symmetry and changed with light direction and pola...

5 days ago

Scientists Just Challenged a Century-Old Theory of How Crystals Form

3D atomic imaging of advanced materials provides new insights into transitions such as liquids freezing into solids. For nearly a century, scientists have relie...

5 days ago

Researchers Reveal the Hidden High Cost of “Free-To-Play” Video Games

A game may be free to download, but for a small group of players, the spending can become anything but small. Video games are a major source of entertainment fo...

5 days ago

Scientists Expose Unexpected Driver of the May 2024 Superstorm

Even though the solar wind was unusually dense during the May 2024 superstorm, ions from the solar wind contributed very little to the ring current, marking the...

5 days ago

Scientists Find a New Way To Hear the Faint “Ringing” of Black Holes

A new method maps the subtle gravitational wave vibrations produced by merging black holes, potentially enabling more precise tests of general relativity. When...

5 days ago

JWST Captures Stunning Evidence of How Supermassive Black Holes Feed

An international team using the JWST has found photographic evidence that brings astronomers closer to solving a long-standing mystery about black holes. For de...

5 days ago

Early Exercise May Permanently Change How Much Energy the Body Uses To Move

An active childhood may train the growing body to make movement less demanding for life. A Penn State-led experiment found that birds raised while carrying extr...

5 days ago