Uncategorized
- Astronomy
The North Star is much heavier than previously thought
Polaris is about five times as massive as the sun, new observations reveal. That’s around 50 percent heavier than what an earlier study found.
- Particle Physics
Dark matter experiments get a first peek at the ‘neutrino fog’
The hint of fog marks a new way to observe neutrinos, but points to the beginning of the end for this type of dark matter detection.
- Health & Medicine
Sepsis tests take days, putting patients at risk. A new method may cut wait time
A faster way to figure out what bacteria is causing a potentially deadly bloodstream infection could let doctors treat it more quickly and efficiently.
- Health & Medicine
HIV prevention may only require two injections per year
There were no new HIV infections among adolescent girls and young women taking a new PrEP formulation, a twice-yearly shot of the drug lenacapavir.
- Chemistry
A new element on the periodic table might be within reach
Scientists made the known element 116 with a beam of titanium atoms, a technique that could be used to make the undiscovered element 120.
- Health & Medicine
Some melanoma cancer cells may punch their way through the body
A new study clarifies how melanoma cells use cell membrane protrusions called “blebs” to burrow through tissue.
- Oceans
In a seafloor surprise, metal-rich chunks may generate deep-sea oxygen
Instead of sinking from the surface, some deep-sea oxygen may be created by battery-like nodules that split water into hydrogen and oxygen.
- Space
A planet needs to start with a lot of water to become like Earth
Rocky planets around fiery stars could hide their water for later use, but it takes 3 to 8 times the amount in our world’s oceans to end up Earthlike.
- Physics
Can light spark superconductivity? A new study reignites debate
Brief blasts of light might make some materials into fleeting superconductors. Magnetic measurements strengthen the case for this controversial claim.
- Health & Medicine
How to stay healthy during the COVID-19 summertime surge
Infections peak in the summer and winter. Up-to-date vaccinations, testing and masking can slow the spread.
- Climate
Twisters asks if you can 'tame' a tornado. We have the answer
Science News talked to a meteorologist and Twisters’ tornado consultant to separate fact from fiction in Hollywood’s latest extreme weather thriller.
- Oceans
Can bioluminescent ‘milky seas’ be predicted?
For the first time, a scientist has used ocean and atmospheric data to find a milky sea, a huge expanse of luminous water, in past satellite images.
