almost 7 times higher in patients with bleeding stroke than those with clot-caused stroke (208 picograms per milliliter, or pg/mL, vs. 30 pg/mL); more than 4 times higher in patients with bleeding ...

The US isn’t guaranteed to maintain a lead over China in the race to develop artificial intelligence, according to Alphabet Inc. President and Chief Investment Officer Ruth Porat. “It isn’t ...