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Vincent Acovino

Penguins are known for huddling on Antarctic ice, or marching across windswept expanses of the frozen continent. But there are at least 18 species of penguins populating the Southern Hemisphere — and many don't fit that frigid stereotype.

There are actually only two species of penguin that really love ice, says Grant Ballard, chief science officer of Point Blue Conservation Science in Petaluma, Calif. Other species, like the Galapagos penguin, perch on dark volcanic rock, and can endure blasting hot air temperatures of 100 degrees.

Thomas E. Lo is an anesthesiologist who works at Montefiore Nyack Hospital in New York. Since the coronavirus outbreak, his job has gotten dangerous.

"The exposure risk as an anesthesiologist is extremely high because when we intubate a patient, we are literally less than a foot away from the patient, who is in distress, and we're right by their airway, which is where the virus is," Lo tells All Things Considered.

And that exposure risk is made worse by widespread shortages of crucial personal protective equipment, or PPE, like masks, gowns and gloves.