Modest daily walking slows cognitive and functional decline in adults with elevated brain amyloid, potentially by reducing tau accumulation.
Orcas in the Gulf of California have been observed flipping and killing juvenile great white sharks to eat their energy-rich livers, a behavior that may be spreading due to changing shark nursery areas.
D.C. man goes on trial for throwing a Subway sandwich at a federal agent, sparking debate over federal prosecution of minor incidents.
Modest daily walking slows cognitive and functional decline in adults with elevated brain amyloid, potentially by reducing tau accumulation.
Orcas in the Gulf of California have been observed flipping and killing juvenile great white sharks to eat their energy-rich livers, a behavior that may be spreading due to changing shark nursery areas.
D.C. man goes on trial for throwing a Subway sandwich at a federal agent, sparking debate over federal prosecution of minor incidents.