Science Times: Ancient Rock Art in the Plains of India

Plus: Humans Are Speeding Extinction at an 'Unprecedented' Pace —

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Ancient Rock Art in the Plains of India By JAMES GORMAN AND ATUL LOKE Two amateur sleuths have uncovered a collection of mysterious rock carvings on the Indian coastal plain south of Mumbai.

Soren Andersson/Agence France-Presse — Getty Images Humans Are Speeding Extinction and Altering the Natural World at an 'Unprecedented' Pace By BRAD PLUMER A dire United Nations report, based on thousands of scientific studies, paints an urgent picture of biodiversity loss and finds that climate change is amplifying the danger to humanity. Lyndon French for The New York Times You've Conquered the Escape Room. But Can You Escape the Lab? By KENNETH CHANG A physicist at the University of Illinois devised an immersive game in which teams solve science puzzles to unlock a mystery — before it's too late. Jean-Jacques Hublin, MPI-EVA, Leipzig Denisovan Jawbone Discovered in a Cave in Tibet By CARL ZIMMER Until now, fossils of the ancient human species had been found in just one Siberian cave. The discovery suggests that Denisovans roamed over much of Asia. Gracia Lam Personal Health When Travelers Bring Skin Infections Back as Souvenirs By JANE E. BRODY As more people travel abroad, travelers and doctors need to be alert to unusual and often perplexing skin infections.

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Jeff Pachoud/Agence France-Presse — Getty Images You Will Never Smell My World the Way I Do By HEATHER MURPHY Scientists find that whiskey's smokiness, the smell of beets and lily of the valley perfume can be utterly different depending on your genetic wiring. Marc Miskin The Microbots Are on Their Way By KENNETH CHANG Tiny sensors with tinier legs, stamped out of silicon wafers, could one day soon help fix your cellphone battery or study your brain. Talori et al. Why Is This Ostrich Wearing an Extra Set of Wings? By CARA GIAIMO Scientists took a creative approach to studying how dinosaurs evolved the flying abilities of modern birds. Dustin Franz for The New York Times A Mystery Frequency Disrupted Car Fobs in an Ohio City, and Now Residents Know Why By HEATHER MURPHY For weeks, some garage doors would not open and some car doors would not unlock in a Cleveland suburb. After some sleuthing, officials say they discovered the reason.

Parasites Infect These Beetles. It Might Be a Good Thing. By JOANNA KLEIN Gas That Makes a Mountain Breathe Fire Is Turning Up Around the World By JOANNA KLEIN Shrimp From 5 U.K. Rivers Have One Thing in Common: Cocaine By PALKO KARASZ On a Coastline With 1,200 Dead Dolphins, Fishermen and Conservationists Clash By ELIAN PELTIER AND ANDREA MANTOVANI A Violent Splash of Magma That May Have Made the Moon By ROBIN GEORGE ANDREWS Q&A What do crickets find to eat in my basement? By C. CLAIBORNE RAY

HOW ARE THINGS IN YOUR PART OF THE UNIVERSE? Let us know at sciencenewsletter@nytimes.com.

Climate Change Christinne Muschi for The New York Times Syrup Is as Canadian as a Maple Leaf. That Could Change With the Climate. By KENDRA PIERRE-LOUIS A growing body of research suggests that warming temperatures linked to climate change may significantly shrink the range where it's possible to make maple syrup. Dibyangshu Sarkar/Agence France-Presse — Getty Images Bengal Tigers May Not Survive Climate Change By KAI SCHULTZ AND HARI KUMAR The tigers of the Bangladesh Sundarbans may be gone in fifty years, according to a new study.

Health Walter Bieri/EPA, via Shutterstock Does Testosterone Really Give Caster Semenya an Edge on the Track? By GINA KOLATA Probably so, medical experts say. But whether that means athletes like her should be barred from competitions is a fraught question. Jackie Molloy for The New York Times Saving the Teeth of Patients With Special Needs By CATHERINE SAINT LOUIS A new dental center is built to welcome patients with special needs and those in wheelchairs, who often run into obstacles elsewhere. Kendrick Brinson for The New York Times How Exercise Affects Our Memory By GRETCHEN REYNOLDS Even a single workout may make our brain's memory centers, like our muscles, more fit. Hanna Barczyk Is Conference Room Air Making You Dumber? By VERONIQUE GREENWOOD A small body of evidence suggests that when it comes to decision making, indoor air may matter more than we have realized. Joel Plosz How to Minimize Allergies in Your Home By GANDA SUTHIVARAKOM If you have terrible seasonal and indoor allergies, here's how to minimize them when you're indoors. iStock Doctors, Is It O.K. if We Talk About Why Finger-Wagging Isn't Working? By PERRI KLASS, M.D. Nobody likes to be lectured. An alternative approach, motivational interviewing, emphasizes respect for the patient's autonomy, and works better with overweight kids.

Should Adults Get a Measles Booster Shot? By DONALD G. MCNEIL JR. Trump Administration Files Formal Request to Strike Down All of Obamacare By JAN HOFFMAN AND ABBY GOODNOUGH F.D.A. Approves the First Vaccine for Dengue Fever, but Limits Its Use By KATIE THOMAS F.D.A. Won't Ban Sales of Textured Breast Implants Linked to Cancer By DENISE GRADY AND RONI CARYN RABIN

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