Uncategorized
- Quantum Physics
Quantum physics requires imaginary numbers to explain reality
Quantum theory based only on real numbers fails to explain the results of two new experiments.
- Health & Medicine
In 2021, COVID-19 vaccines were put to the test. Here’s what we learned
Vaccines can’t single-handedly end the pandemic, but they are still essential in the fight against the coronavirus.
- Health & Medicine
How sleep may boost creativity
In a lab experiment, people who had fallen into a shallow sleep were more likely than non- or deep sleepers to later discover a sly math trick.
- Microbes
A bacteria-virus arms race could lead to a new way to treat shigellosis
As bacteria that cause shigellosis evolve to escape a virus, the microbes may become less deadly, a hopeful sign for “phage therapy.”
- Animals
Cicada science heats up when Brood X emerges. 2021 was no exception
Mating mobs of big, hapless, 17-year-old cicadas made for a memorable spring in the Eastern United States
By Susan Milius - Climate
Antarctica’s Thwaites Glacier ice shelf could collapse within five years
The loss of Thwaites’ buttressing ice shelf could hasten the demise of the “Doomsday Glacier” and raise the risk of dramatic sea level rise.
- Astronomy
The only known pulsar duo sheds new light on general relativity and more
Einstein was right, among other insights gleaned from watching a one-of-a-kind system of two pulsating dead stars for 16 years.
- Astronomy
The cosmic ‘Cow’ may have produced a new neutron star or black hole
A bright, mysterious blast of extragalactic light appears to have spawned a small, compact object.
- Anthropology
2021 research reinforced that mating across groups drove human evolution
Fossils and DNA point to mixing and mingling among Homo groups across vast areas.
By Bruce Bower -
The triumph and fallibility of science in a historic year
Editor in chief Nancy Shute discusses the last year in science, including lessons we've learned about COVID-19, human evolution and amazing animal feats.
By Nancy Shute - Planetary Science
Ingenuity is still flying on Mars. Here’s what the helicopter is up to
NASA’s Ingenuity craft was originally planned to operate only 30 Martian days.
- Health & Medicine
For 50 years, CT scans have saved lives, revealed beauty and more
In 1971, the first CT scan of a patient laid bare the human brain. That was just the beginning of a whole new way to view human anatomy.