SCI

Google Earth’s timelapse feature puts a spotlight on climate change

New UK trial studies if people can get coronavirus again

A South African variant could ‘break through’ Pfizer vaccine protection, but the vaccine is very effective, says the Israeli study

Mars helicopter flight test promises Wright Brothers moment for NASA

Three astronauts return from the International Space Station

Australia continues to review COVID vaccinations – Health Minister

China’s Sinovac COVID-19 vaccine is 67% effective in preventing symptomatic infection – Report from Chile

American parents start asking: should my child get a COVID-19 shot?

Second S. Korean agreement to produce Russian Sputnik V.

US prepares for one year COVID-19 booster shots; Pfizer CEO sees need

Previous peak? Chile generates vaccines, blocking COVID-19

US prepares for one year COVID-19 booster shots; Pfizer CEO sees need