Fri May 15 11:51:17 EAT 2020
Thousands of years ago, a group of people took a walk in what is now Tanzania.
Fri May 15 11:51:39 EAT 2020
The same team had observed that speaking less loudly generates fewer droplets.
Fri May 15 11:52:15 EAT 2020
Treating Covid-19 patients with the malaria drug hydroxychloroquine (HCQ) had no positive effect
Thu Apr 09 13:15:00 EAT 2020
Shortage has triggered DIY messages
Mon Mar 30 13:03:45 EAT 2020
With supply from India and China affected, there's uncertainty