Science Times: In Brazil, Architects Explore ‘the Logic of the Weave’

Plus: Neil Armstrong Died After Heart Surgery. That May Have Been Avoidable. —

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Students with the High Line Paulista workshop carry a bamboo dome past Oscar Niemeyer's Edifício Copan in downtown São Paulo. Gabriela Portilho for The New York Times In Brazil, Architects Explore 'the Logic of the Weave' By SIOBHAN ROBERTS AND GABRIELA PORTILHO Weaver and artist Alison Grace Martin employs non-Euclidean geometry in her small bamboo creations. Now she's scaling up.

Philip Scott Andrews/The New York Times Neil Armstrong Died After Heart Surgery. That May Have Been Avoidable. By GINA KOLATA Hundreds of thousands of Americans have coronary bypass surgery each year, and few die. Here's what experts say happened to a national hero. • Neil Armstrong's Death, and a Stormy, Secret $6 Million Settlement • 'Would Dad Approve?' Neil Armstrong's Heirs Divide Over a Lucrative Legacy Meridith Kohut for The New York Times Were U.S. Diplomats Attacked in Cuba? Brain Study Deepens Mystery By BENEDICT CAREY "Something happened to the brain" of diplomats who reported odd ailments, a brain-imaging study suggests. But the cause is still unclear. ESO/M. Kornmesser When a Mega-Tsunami Drowned Mars, This Spot May Have Been Ground Zero By ROBIN GEORGE ANDREWS The 75-mile wide crater could be something like a Chicxulub crater for the red planet. Dean Sewell for The New York Times A CONVERSATION WITH... Toby Walsh, A.I. Expert, Is Racing to Stop the Killer Robots By CLAUDIA DREIFUS Autonomous weapons, capable of acting without human oversight, are closer than we think, Dr. Walsh believes, and must be banned.

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David Shale/Minden Pictures The Creepy Anglerfish Comes to Light. (Just Don't Get Too Close.) By WILLIAM J. BROAD Increasingly, these ghoulish and improbable denizens of the abyss are being captured on video, revealing an array of surprising behaviors. Fossil Excavators Triceratops Skull, 65 Million Years Old, Unearthed by College Student, 23 By EMILY S. RUEB Passed over for an air-conditioned summer internship, Harrison Duran instead braved rattlesnakes in a remote area of North Dakota to help make a thrilling discovery. Jan Gogarten A Brutal Disease Kills Monkeys. Flies Could Be Spreading It. By VERONIQUE GREENWOOD A downside of social living among monkeys and chimpanzees, a new study suggests, is being at greater risk of deadly disease. Sean Gallup/Getty Images Your Data Were 'Anonymized'? These Scientists Can Still Identify You By GINA KOLATA Computer scientists have developed an algorithm that can pick out almost any American in databases supposedly stripped of personal information. NASA, via Reuters NASA's TESS Satellite Spots 'Missing Link' Exoplanets By DENNIS OVERBYE Halfway through its first tour of the local universe, the spacecraft has found a "Super Earth" and two "sub-Neptunes." The Planetary Society LightSail 2 Unfurls, Next Step Toward Space Travel by Solar Sail By SHANNON STIRONE The Planetary Society deployed LightSail 2, aiming to further demonstrate the potential of the technology for space propulsion.

Border Collie Trained to Recognize 1,022 Nouns Dies By DERRICK BRYSON TAYLOR Tree Stumps Are Dead, Right? This One Was Alive By JOANNA KLEIN After Investigation, Neil deGrasse Tyson Will Keep His Job By ELIZABETH A. HARRIS Q&A What would the many chimney swifts in my neighborhood do if the chimneys all disappeared? By C. CLAIBORNE RAY

Climate Change Mauro Pimentel/Agence France-Presse — Getty Images Under Brazil's Far-Right Leader, Amazon Protections Slashed and Forests Fall By LETÍCIA CASADO AND ERNESTO LONDOÑO Cutting down trees at the current rate could lead to runaway deforestation, environmentalists say. But President Bolsonaro is sticking to his promise to curb enforcement. Jean-Francois Deroubaix/Gamma-Rapho, via Getty Images As Extreme Heat Becomes New Normal in Europe, Governments Scramble to Respond By ELIAN PELTIER Heat records were smashed across much of Europe this week, leaving officials searching for short- and longer-term solutions to help people endure temperatures soaring over 100 degrees Fahrenheit.

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Health Gracia Lam Personal health For a Torn A.C.L., Considering Repair Rather Than Replacement By JANE E. BRODY Repair may be especially helpful for children, who are more likely than older patients to reinjure a reconstructed A.C.L., a pioneer of the surgery says. Chang W. Lee/The New York Times Should Black People Wear Sunscreen? By KENDRA PIERRE-LOUIS Does it make sense for me, a dark-skinned black woman, to wear sunscreen? The answer is more complicated than it may seem. Saul Loeb/Agence France-Presse — Getty Images How a Medicare Buy-In or Public Option Could Threaten Obamacare By REED ABELSON Some Democrats are proposing a government alternative to private insurance. But allowing people to choose such a plan may destabilize the A.C.A., some experts say. Jerome Delay/Associated Press In Congo, a New Plan to Fight Ebola Follows a Government Power Struggle By DONALD G. MCNEIL JR. After the resignation of the country's health minister, the president will take over the response to the epidemic and distribute a new vaccine. iStock by Getty Images The Challenge of Diagnosing Lyme Disease By PERRI KLASS, M.D. The biggest problem is that there is no way to test, unequivocally, for the presence of the bacteria that cause the disease. imageBROKER, via Alamy Breast Implants Linked to Rare Cancer Are Recalled Worldwide By DENISE GRADY Under pressure from the Food and Drug Administration, Allergan will stop selling textured implants. Thirty-three deaths have been tied to the devices. Getty Images How Weight Training Changes the Brain By GRETCHEN REYNOLDS In animals, weight training appeared to promote the creation of new neurons in the memory centers of the brain. James Steinberg Would You Want a Computer to Judge Your Risk of H.I.V. Infection? By GINA KOLATA A new software algorithm decides which patients are most likely to become infected with the virus. But this is not like other risk calculators, some experts say.

Ask Well Does eating smoked fish, such as smoked salmon or whitefish, increase the risk of colorectal cancer or other cancers, the way processed and deli meats do? By SOPHIE EGAN Man Dies of 'Brain-Eating' Amoeba After Swimming in Lake By JACEY FORTIN Need a Mental Health Day? Some States Give Students the Option By DERRICK BRYSON TAYLOR Why a Woman's Sex Life Declines After Menopause (Hint: Sometimes It's Her Partner) By TARA PARKER-POPE

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