Covid trial in UK examines mixing different vaccines

The new company, incorporated in the US and in the UK earlier this year, will establish several institutes in...

As the coronavirus vaccines have rolled out across the US, the process has been confusing and disastrous. States, left...

Deborah Raji, a fellow at nonprofit Mozilla, and Genevieve Fried, who advises members of the US Congress on algorithmic...

Every week, teams each submit not only a point forecast predicting a single number outcome (say, that in one...