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Hi, I'm Scientific American Podcast editor Steve Murski, and here's a short piece from the February

2020 issue of the magazine

in the section called advances, dispatches from the frontiers of science, technology, and medicine.

The article is titled Quick Hits, and it's a rundown of some science and technology stories from

around the globe compiled by Assistant News editor Sarah Lewin-Frasier.

From the U.S., off the California coast, scientists measured a blue whales heart rate for the first

time using a device attached to the animal's skin by suction cup. The heart, likely weighing

hundreds of pounds, beats from 37 down to two times per minute,

varying dramatically between diving, feeding, and surfacing.

From Peru, researchers analyzing satellite and imaging data have found 143 new NASCA lines.

These are large line drawings of humans, animals, and symbols

etched into the Peruvian landscape millennia ago. The drawings include a humanoid figure

16 feet across, spotted by IBM's Watson AI system. From Brazil, despite the long dry spells

in Brazil's Catinga region, scientists found the tree

Hymenaea Kanga zirisels copious nectar from flowers to attract pollinating bats. A full-sized

tree can release 240 gallons of the stuff with 38 distinct scent compounds over a single dry season.

...