Uncategorized
- Health & Medicine
Too much of this bacteria in the nose may worsen allergy symptoms
Hay fever sufferers have an overabundance of Streptococcus salivarius. The mucus-loving bacteria boost inflammation, causing an endlessly runny nose.
- Materials Science
Want a ‘Shrinky Dinks’ approach to nano-sized devices? Try hydrogels
Patterning hydrogels with a laser and then shrinking them down with chemicals offers a way to make nanoscopic structures out of many materials.
- Microbes
Scientists have found the first known microbes that can eat only viruses
Lab experiments show that Halteria ciliates can chow down solely on viruses. Whether these “virovores” do the same in the wild is unclear.
- Animals
These adorable Australian spike-balls beat the heat with snot bubbles
An echidna’s snot bubbles coat the spiny critter’s nose with moisture, which then evaporates and draws heat from the sinus, cooling the blood.
- Chemistry
These chemists cracked the code to long-lasting Roman concrete
Roman concrete has stood the test of time, so scientists searched ruins to unlock the ancient recipe that could help architecture and climate change.
- Climate
Cyclones in the Arctic are becoming more intense and frequent
Over the last 70 years, boreal storms have steadily grown stronger. And climate change may make them worse, threatening both people and sea ice.
- Physics
A powerful laser can redirect lightning strikes
In a mountaintop experiment, a laser beamed into the sky created a virtual lightning rod that snagged several bolts before they hit the ground.
- Chemistry
How rare earth elements’ hidden properties make modern technology possible
Because of their unique chemistry, the rare earth elements can fine-tune light for many different purposes and generate powerful magnetic fields.
- Health & Medicine
Here’s what you need to know about COVID’s XBB.1.5 ‘Kraken’ variant
XBB.1.5, an offshoot of the coronavirus’s omicron variant, can hide from parts of the immune system, but vaccines and some treatments still work.
- Planetary Science
Enceladus is blanketed in a thick layer of snow
Pits on the Saturnian moon reveal the surprising depth of the satellite’s snow, suggesting its plume was more active in the past.
- Science & Society
Sea life offers a lens for self-exploration in ‘How Far the Light Reaches’
In a collection of essays profiling 10 marine animals, author Sabrina Imbler mixes in stories of their own family, self-discovery, sexuality and healing.
- Health & Medicine
HDL ‘good’ cholesterol isn’t always good for heart health
High levels of HDL cholesterol don’t appear to protect against heart disease, while harm from low levels may depend on race, a study reports.
