UCLA law professor Joanna Schwartz talks about the legal protections — including qualified immunity and no-knock warrants — that have protected officers from the repercussions of abuse.

Tuberculosis kills 1.6 million a year — the second deadliest infectious disease after COVID-19. Using immune cells and mRNA technology, scientists in South Africa are working on a new vaccine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Toblerone is moving some of its production to Slovakia, meaning it can no longer legally call itself "Swiss-made." That branding change will include swapping the iconic peak for a more generic one.