Genevieve approaches Mexico's Baja as Category 3 hurricane

Powerful Hurricane Genevieve began flinging rain at Mexico's Baja California Peninsula on Wednesday and it threatened to bring hurricane-force winds to the tourist region even if its center wasn't likely to hit land.

Lungfish fins reveal how limbs evolved

The evolution of limbs with functional digits from fish fins happened approximately 400 million years ago in the Devonian. This morphological transition allowed vertebrates to leave the water to conquer land and gave rise ...

Bacteria can defuse dangerous chemical in Passaic River

Bacteria that can help defuse highly toxic dioxin in sediments in the Passaic River—a Superfund hazardous waste site—could eventually aid cleanup efforts at other dioxin-contaminated sites around the world, according ...

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