Science Times: Dogs Can’t Help Falling in Love

Plus: Scientists Created Fake Rhino Horn. But Should We Use It? —

View in browser|nytimes.com Continue reading the main story November 26, 2019

Adriana Zehbrauskas for The New York Times   Dogs Can’t Help Falling in Love One researcher argues that a dog’s ability to bond has more to do with forming emotional attachments than being smart about what humans want. By James Gorman

Baz Ratner/Reuters   Scientists Created Fake Rhino Horn. But Should We Use It? Experts are divided over whether flooding the Asian market with convincing artificial rhino horn would help or hurt rhinos’ survival. By Rachel Nuwer Wu et al, Nature, 2019   Matter Scientists Are Just Beginning to Understand Mysterious DNA Circles Common in Cancer Cells For years, researchers weren’t exactly sure what to make of these extra loops of genetic material . That’s quickly changing. By Carl Zimmer Caltech Brain Imaging Center   How the Brain Can Rewire Itself After Half of It Is Removed New scans showed how the brains of people who had a hemisphere removed in childhood continue to function. By Knvul Sheikh

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Juliette Borda   Out There How to Cook Up a Lively Universe Start with the cosmic gravy, and be thankful for the lumps. By Dennis Overbye Raúl Orencio Gómez   Trilobites When Snakes Had Use for a Pair of Legs The fossil discovery in Argentina will help to resolve mysteries over when snakes began their transition to their modern form. By Becky Ferreira Haseeb Randhawa and Ken Miller   Trilobites First the Worm Gets in the Bug’s Head. Then the Bug Drowns Itself. The mind-controlling parasites are “like a back-seat driver, but a bit more sinister.” By Veronique Greenwood Chris Roh and Morteza Gharib, CalTech   Trilobites Watch Bees Surf to Safety on Waves They Create When honeybees fall into water, they generate their own ripples, then glide to dry land, a study found. By Emma Goldberg Ryan Jenq for The New York Times   The Modern Life of Origami, an Art as Old as Paper Precision is key, whether folding a humble crane or an interlocking modular structure. So is enthusiasm. By Kathleen Massara and Ryan Jenq Kevin M. Gill/NASA/JPL-Caltech/SwRI/MSSS   Trilobites Jupiter’s Great Red Spot Isn’t Dead Yet Pieces of the gas giant’s greatest storm had seemed to be slipping away, but scientists say the underlying vortex is unchanged. By Kenneth Chang

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trilobites In the Race to Live on Land, Lichens Didn’t Beat Plants A study’s findings add to the case that lichens, which dominate about 7 percent of the planet’s surface, most likely made their way to land some 100 million years after ferns and other vascular plants. by joanna klein Stuck in Arctic Ice, Dodging Polar Bears. All for Science. An international research team is now adrift about 300 miles from the North Pole. It’s for a yearlong expedition to study the Arctic’s changing climate. by henry fountain and esther horvath trilobites A Dance That Stops 2 of Neptune’s Moons From Colliding Astronomers detected an orbital resonance between the two innermost satellites of the mysterious ice giant planet. by robin george andrews Oxygen on Mars Adds to Atmospheric Mysteries After a perplexing methane burst was measured by NASA’s Curiosity rover earlier this year, scientists were surprised again by variations in atmospheric oxygen. by kenneth chang Koalas Aren’t Extinct, but Their Future Is in Danger, Experts Say Claims that koalas were “functionally extinct” spread widely online as fires raged in Australia. But some scientists warned of the dangers of exaggeration. by jacey fortin

HEALTH Gracia Lam   Personal Health The Costly, Life-Disrupting Consequences of Poor Diabetes Care At least three out of four diabetics do not adequately control the four major factors that increase the risk of serious complications: blood glucose, blood pressure, blood cholesterol and smoking. By Jane E. Brody iStock by Getty Images   A Do-Anywhere Full-Body Workout It can be done in barely 30 minutes in a hotel room, garage or even an airport lounge. All you need is a jump rope. By Gretchen Reynolds Kayana Szymczak for The New York Times   ‘I Have a Ph.D. in Not Having Money’ Medical school is expensive for everyone. But for low-income students, the hidden costs can be prohibitive. By Emma Goldberg Jeenah Moon for The New York Times   How Juul Hooked a Generation on Nicotine The company planted the seeds of a public health crisis by marketing to millennials, who had low smoking rates, and it ignored evidence that teenagers were using its products. By Julie Creswell and Sheila Kaplan The New Health Care A ‘Rare Case Where Racial Biases’ Protected African-Americans Fewer opioid prescriptions meant fewer deaths (possibly 14,000), but the episode also reveals how prevalent and harmful stereotypes can be, even if implicit. By Austin Frakt and Toni Monkovic Illustration by Ori Toor   Studies Show Will Science Ever Give Us a Better Night’s Sleep? Unraveling the mysteries of sleep might depend on studying the genes of people who don’t get much. By Kim Tingley

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‘Public Option’ Draws Voters Unsure About ‘Medicare for All’ Anxious about the cost of a single-payer health system, more voters now support the idea of a government-run plan that would compete with private insurance. by abby goodnough Measles Cases Continue to Rise Around the World Nearly a quarter of a million people in the Democratic Republic of Congo are thought to have been infected by measles in 2019 alone, the World Health Organization said. by abdi latif dahir

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