Military experts say a new generation of nuclear weapons has raised the risk that Mr. Putin might introduce less destructive atomic arms into the battlefields in and around Ukraine.
Tag: your-feed-science
High Death Rate in Hong Kong Shows Importance of Vaccinating the Elderly
Covid has surged in a number of Asian countries that had once held the virus at bay. Vaccination levels have largely determined how deadly those waves would be.
Another Covid Surge May Be Coming. Are We Ready for It?
“We’ve been wearing rose-colored glasses instead of correcting our vision,” one scientist said.
Mounting Data Shows J&J Vaccine as Effective as Pfizer and Moderna
Once dismissed as less effective, the vaccine now seems to be preventing infections and illness about as well as the two mRNA options.
Inside the High-Stakes Race to Test the Covid Tests
Researchers in Atlanta have helped the federal government evaluate dozens of Covid tests and pioneer a new model for developing novel diagnostics.
Russian Scientists Face Isolation Following Invasion of Ukraine
International collaborations are unraveling as researchers, including many in Russia, speak out against the invasion of Ukraine.
Covid May Cause Changes in the Brain, New Study Finds
Brain scans before and after infection showed more loss of gray matter and tissue damage, mostly in areas related to smell, in people who had Covid than in those who did not.
How the Coronavirus Steals the Sense of Smell
The virus does not infect nerve cells that detect odors, researchers have found. Instead, it attacks nearby supporting cells.
Pfizer Shot Is Far Less Effective in 5- to 11-Year-Olds Than in Older Kids, New Data Show
While protection against hospitalization is still strong, the vaccine offered almost no protection against infection, even just a month after full vaccination.
The Pacific Spiny Lumpsucker Is Armed to the Teeth
The diminutive predator is a terrible swimmer but thrives in the intertidal zone thanks to odd evolutionary adaptation.