Omicron Variant Spreads Twice Faster in South Africa than Delta

Underscoring growing concerns about Omicron, scientists in South Africa said Friday that the newest coronavirus variant is spreading twice as fast as Delta, which is considered the most contagious version of the virus. The rapid spread of Omicron was due to a combination of contagion and its ability to circumvent the body’s immune defenses, the …

Conviction at an Ancient Playground for Kingpins Could Save Africa

“For Malawi, this shows that it is not a sacred cow,” said Mr. Kaonga. “Money can’t save you, and there is a limit to what corruption can really bring you.” The Chinese embassy in Malawi did not respond to questions about the case. Eighteen other members of Mr. Lin’s network – including four of his …

The Changing Climate Has Given People Many Opportunities to Leave Africa

Researchers have some theories. If early humans had moved from Africa much earlier, they would have faced fierce competition from other early human species; the north was a Neanderthal stronghold, and much of East Asia was probably populated by another extinct human lineage, the Denisovans. Models also suggest that dry periods often follow favorable windows, …