Uncategorized
- Astronomy
How the 2019 eclipse will differ from 2017’s — and what that means for science
This year’s total solar eclipse is visible late in the day from a relatively small slice of South America.
- Climate
Is climate change causing Europe’s intense heat? A scientist weighs in
Science News talks with climate scientist Karsten Haustein about attributing extreme heat events in Europe and South Asia to climate change.
- Materials Science
Latest claim of turning hydrogen into a metal may be the most solid yet
If true, the study would complete a decades-long quest to find the elusive material. But such claims have been made prematurely many times before.
- Astronomy
The earliest known galaxy merger occurred shortly after the Big Bang
Telescopes show two distant blobs of stars and gas swirling around each other in the young universe.
- Planetary Science
With Dragonfly, NASA is heading back to Saturn’s moon Titan
NASA’s next robotic mission to explore the solar system is headed to Saturn’s largest moon, Titan.
- Health & Medicine
In mice, a high-fat diet cuts a ‘brake’ used to control appetite
A fatty diet changes the behavior of key appetite-regulating cells in a mouse brain.
- Astronomy
In a first, telescopes tracked a lone fast radio burst to a faraway galaxy
First-time observations suggest that the cause of one-time fast radio bursts is different from what triggers repeatedly flashing radio bursts.
- Health & Medicine
Antioxidants may encourage the spread of lung cancer rather than prevent it
Antioxidants protect lung cancer cells from free radicals, but also spur metastasis, two new studies suggest.
- Animals
Some ancient crocodiles may have chomped on plants instead of meat
Fossil teeth of extinct crocodyliforms suggest that some ate plants and that herbivory evolved at least three times in crocs of the Mesozoic Era.
- Genetics
DNA reveals a European Neandertal lineage that lasted 80,000 years
Ancient DNA from cave fossils in Belgium and Germany shows an unbroken genetic line of the extinct hominids emerged at least 120,000 years ago.
- Health & Medicine
Thick calluses don’t make feet any less sensitive
Bare feet that develop thick calluses are just as sensitive as shoe-clad feet, a study in Kenya finds.
- Archaeology
Peru’s famous Nazca Lines may include drawings of exotic birds
Pre-Inca people depicted winged fliers from far away in landscape art.
