c3 Social media crackdowns during the war in Ukraine make the internet less global Since Russia’s invasion of Ukraine in late February, pe…
a1 Spinosaurus’ dense bones fuel debate over whether some dinosaurs could swim A fierce group of predatory dinosaurs may have done muc…
e5 Scientists created ‘smoke rings’ of light Smoke rings are being seen in a new light. Doughnut-sha…
d4 Samples of the asteroid Ryugu are scientists’ purest pieces of the solar system Samples of the asteroid Ryugu are the most pristine pie…
c3 Nasal vaccines for COVID-19 offer hope and face hurdles A few weeks ago, I was obsessed with my nose and throat…