China’s Halt of Critical Minerals Poses Risk for U.S. Military Programs

China’s Halt of Critical Minerals Poses Risk for U.S. Military Programs

The Pentagon and defense contractors are heavily reliant on magnets and rare earth minerals mined or processed in China, which has suspended exports of the materials in an escalating trade war.
FDA-Approved Artificial Blood Vessel Stirs Concerns

FDA-Approved Artificial Blood Vessel Stirs Concerns

The F.D.A. approved an artificial vessel to restore blood flow in patients, despite its own scientists flagging questionable study results and potentially fatal ruptures of the product.