Science Times: Oceans Are Getting Louder

Plus: Scientists Are Teaching the Body to Accept New Organs —

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A container ship crossing under the Lions Gate Bridge in Vancouver. Alana Paterson for The New York Times Oceans Are Getting Louder By JIM ROBBINS Increasing ship traffic, sonar and seismic air gun blasts now planned for offshore drilling may be disrupting migration, reproduction and even the chatter of the seas' creatures.

Kristian Thacker for The New York Times Scientists Are Teaching the Body to Accept New Organs By GINA KOLATA Patients receiving new kidneys and livers must take damaging anti-rejection drugs for the rest of their lives. Now researchers hope to train the immune system instead of just tamping it down. Mark Makela for The New York Times Coming Soon to a Police Station Near You: The DNA 'Magic Box' By HEATHER MURPHY With Rapid DNA machines, genetic fingerprinting could become as routine as the old-fashioned kind. But forensic experts see a potential for misuse. David Maurice Smith for The New York Times Is Ancient DNA Research Revealing New Truths — or Falling Into Old Traps? By GIDEON LEWIS-KRAUS Geneticists have begun using old bones to make sweeping claims about the distant past. But their revisions to the human story are making some scholars of prehistory uneasy. Ringo H.W. Chiu/Associated Press Lunar Eclipse and Supermoon: Photos From Around the World By THE NEW YORK TIMES Photographers captured scenes in the skies as the Earth's shadow covered the moon.

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Kyoto University and Forestry And Forest Products Research Institute Watch These Stink Bugs Hatch in Unison By HEATHER MURPHY In terrifying synchrony, baby stink bugs all but explode to life. D. Alarcol and D. Grunbaum/Global Wildlife Conservation Romeo the Frog Finds His Juliet. Their Courtship May Save a Species. By JOANNA KLEIN The lonely male in a Bolivian museum was thought to be the last Sehuencas water frog, but an expedition has found him a potential mate. Daniel Slim/Agence France-Presse — Getty Images What Happened to Earth's Ancient Craters? Scientists Seek Clues on the Moon's Pocked Surface By KENNETH CHANG The pace of space rocks pummeling Earth and the moon was relatively infrequent, but then doubled or tripled for unknown reasons, a new study finds. Getty Images How Ants Sniff Out the Right Path By JAMES GORMAN They may seem like automatons, but ants are surprisingly sophisticated in their navigational strategies.

When Fungi Fight Back By JOANNA KLEIN Q&A Is the coelacanth the only living fossil? By C. CLAIBORNE RAY

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Climate Change Matt Roth for The New York Times Here's How the Shutdown Is Delaying Climate Data and Undercutting Scientists By KENDRA PIERRE-LOUIS A key global temperature report isn't coming out this week because of missing data, and some long-term research projects are at risk. Jonathan Bachman/Reuters Climate Change's Giant Impact on the Economy: 4 Key Issues By NEIL IRWIN Many of the big economic questions in coming decades will come down to just how extreme the weather will be, and how to value the future versus the present. Lucas Jackson/Reuters Greenland's Melting Ice Nears a 'Tipping Point,' Scientists Say By JOHN SCHWARTZ With the Arctic warming rapidly, ice loss in Greenland is accelerating and may soon be a major factor in rising sea levels, according to a new study. Dennis Nett/The Post-Standard, via Associated Press Brace for the Polar Vortex; It May Be Visiting More Often By KENDRA PIERRE-LOUIS A researcher says that as the climate changes, "winter is shortening, but you're getting these more intensive periods in that shorter winter."

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Health Carlos Osorio/Reuters Does Cannabis Use Cause Schizophrenia? By BENEDICT CAREY As the drug becomes more popular, concerns have been raised that its use can lead to psychotic disorders. Here's what scientists know for sure, and what they don't. Gracia Lam Personal Health When Cancer Meets the Internet By JANE E. BRODY Dr. Google doesn't always know what's best. Getty Images How Exercise May Help Keep Our Memory Sharp By GRETCHEN REYNOLDS Irisin, a hormone that is released during exercise, may improve brain health and lessen the damage that occurs during Alzheimer's disease. Monica Jorge for The New York Times In a Children's Theater Program, Drama Over a Peanut Allergy By RONI CARYN RABIN The conflict over accommodating a child's allergy turned into a legal battle that highlights the isolation that people with food allergies often face. Craig Frazier Hospitals Stopped Readmitting So Many Medicare Patients. Did That Cost Lives? By PAULA SPAN A new government program was supposed to prevent certain Medicare recipients from cycling in and out of hospitals. Now experts worry some older patients are being denied necessary care. J. Rogers, Northwestern University Your Sweat Will See You Now By APOORVA MANDAVILLI A new device — wearable, wireless and battery free — improves the ability to monitor and diagnose health problems by analyzing the sweat on your skin.

Ask Well What is a fecal transplant, and why would I want one? By RICHARD KLASCO, M.D. Radon Causes Cancer. These Tourists Drink It Up By WENDY MACNAUGHTON Study Links Drug Maker Gifts for Doctors to More Overdose Deaths By ABBY GOODNOUGH F.D.A. Panel Splits on Whether to Approve New Diabetes Drug By KATIE THOMAS

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