Argentina's President Javier Milei plans to hold a Latin American summit in 2024 to support Ukraine as it fights against Russian aggression.
Researchers have uncovered the secrets of smallpox virus architecture using cryo-electron microscopy and molecular modeling, finding the key protein A10 that determines the structure of the viral core, and hoping that this will help in the future development of antiviral treatments.
The death toll from the wildfires raging in Chile has risen to 112, and 200 people are still missing.