Earth & Environment

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dinosaur illustration

BRIDGE THE GAP  Land crossings may have allowed dinosaurs (such as Supersaurus, shown in this artist’s illustration), lizards and early mammals to migrate across the Atlantic Ocean around 150 million years ago, one researcher proposes.

phytoplankton

ARMOR-PLATED  In a four-year experiment simulating ocean acidification conditions expected under climate change, shell-building rates of Emiliania huxleyi phytoplankton (shown) dropped, rebounded and then dropped again.

MICROBE MADE  Odd underwater formations near the Greek island of Zakynthos are the millions-of-years-old remains of natural hydrocarbon vents, not a lost Greek city.

Earth & Environment

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