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A long, wavy greenish-brown kelp dangles off the docks at South Beach Marina by AT&T Park in San Francisco. It may seem like the seaweed belongs there, but it’s an invasive kelp from Asia, known as Undaria pinnatifida. It’s so … Read more
From afar, this windswept island in the middle of the San Francisco Bay appears so rugged that you’d expect to find only century plans and eucalyptus. But Alcatraz is alive with color.
Locals to the Bay Area often don’t think for a moment about the hazards of ticks when exploring nature. But maybe they should. Ticks carry Lyme disease, a debilitating condition caused by a bacterial infection ticks pick up from biting deer and mice. “If you don’t mind looking like a nerd, tuck pants into socks,” said a UC Berkeley entomologist.
