Issue 052


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“We just need to accept this is how life is,” Philip Ball writes in Issue 52’s cover story. “It exists on one side of the looking glass.”

Ball writes about the quest biochemist Ting Zhu is on to create mirror-image versions of life’s key molecular ingredients. Learn how his research could reveal a dark biosphere—an entire ecosystem of undetected mirror-image life forms.

Also in Issue 52:

Where Did the Brain Come From?

600 million years ago, the sea sponge had a dream.

By Kenneth S. Kosik

Can We Stop Time in the Body?

Inside the “out there” quest for a drug that would help doctors save lives before it’s too late.

By Elena Kazamia

What We Can Learn from an Insomniac Fish

When sleep doesn’t come on time.

By Katherine Harmon Courage