Help a Traveling Salesman Find Every Route in this Math Puzzle</h1> <article> <h1>Help a Traveling Salesman Find Every Route in this Math Puzzle</h1> <p>Thu, 20 Jun 2024 20:30:00 +0000</p> <p>Try to solve a traveling salesman’s directional dilemma</p> </article> <article> <h1>Oldest Deep-Sea Shipwreck Discovered Off Israel</h1> <p>Thu, 20 Jun 2024 18:45:00 +0000</p> <p>An ancient shipwreck lost in deep waters has yielded its first clues: amphorae from a lost age of international trade and civilization</p> </article> <article> <h1>When Does Summer Start?</h1> <p>Thu, 20 Jun 2024 18:30:00 +0000</p> <p>How does astronomical summer differ from meteorological summer? And how is climate change affecting how long summer lasts?</p> </article> <article> <h1>Climate Action Is a Labor Issue for This Teachers’ Union’s Leaders</h1> <p>Thu, 20 Jun 2024 18:00:00 +0000</p> <p>The president of the Chicago Teachers Union explains how climate change became a pillar of the union’s contract demands</p> </article> <article> <h1>How Cohousing Neighborhoods Can Combat the Rise of Loneliness</h1> <p>Thu, 20 Jun 2024 15:00:00 +0000</p> <p>These cohousing communities are fighting an epidemic of loneliness with radical neighborliness.</p> </article> <article> <h1>Easy-to-Use CRISPR Tests Could Change How We Diagnose COVID and Other Illnesses</h1> <p>Thu, 20 Jun 2024 12:00:00 +0000</p> <p>Gene-cutting diagnostic tests could be as easy as a rapid COVID test and as accurate as PCR</p> </article> <article> <h1>How George Floyd’s Death Exposed a Fake Syndrome: ‘Excited Delirium’</h1> <p>Thu, 20 Jun 2024 11:00:00 +0000</p> <p>A completely fabricated condition, crafted from racist medical biases, still corrupts the criminal justice system today</p> </article> <article> <h1>These Are the Most Beautiful Equations in Mathematics</h1> <p>Thu, 20 Jun 2024 10:30:00 +0000</p> <p>Mathematicians picked the most dazzling, thought-provoking and compelling equations they know</p> </article> <article> <h1>Doctor Who’s Time Lords Have Two Hearts. Here’s How Their Dual Cardiac System Could Work</h1> <p>Thu, 20 Jun 2024 10:00:00 +0000</p> <p>A <i>Doctor Who</i> superfan explains how the unusual cardiovascular system of the alien Time Lords could evolve and function</p> </article> <article> <h1>Heat Waves Deserve Disaster Relief from FEMA, Petition Argues</h1> <p>Wed, 19 Jun 2024 17:00:00 +0000</p> <p>Places beset by heat waves should receive FEMA disaster funds just as those hit by hurricanes or flooding do, labor unions, green groups and public health advocates argue in a new petition</p> </article> <article> <h1>Summers Are Hotter than Ever and Are Only Going to Get Worse</h1> <p>Wed, 19 Jun 2024 14:30:00 +0000</p> <p>The face of summer is transforming, as people today face more frequent, longer-lasting and hotter heat waves than they did several decades ago</p> </article> <article> <h1>How the Recycling Symbol Duped People into Buying More Plastic</h1> <p>Wed, 19 Jun 2024 14:00:00 +0000</p> <p>The simplicity of the recycling symbol belies its complicated role in corporate America’s quest to sell ever more plastic</p> </article> <article> <h1>Tiny Spheres Key to Tunable ‘Smart Liquid’</h1> <p>Wed, 19 Jun 2024 13:00:00 +0000</p> <p>Programmable liquids could aid robot grippers, shock absorption, acoustics, and more</p> </article> <article> <h1>These Gray Whales Are Shrinking and Scientists Aren’t Sure Why</h1> <p>Wed, 19 Jun 2024 12:00:00 +0000</p> <p>Gray whales in a small group that sticks close to the shores of the Pacific Northwest appear to be shrinking—and shockingly quickly</p> </article> <article> <h1>The World Desperately Needs a New Pandemic Treaty</h1> <p>Wed, 19 Jun 2024 11:30:00 +0000</p> <p>Negotiations over a global pandemic treaty broke down at WHO this year. The legacy of the world's unreadiness for COVID means that it is essential to adopt the accord in 2025</p> </article> <article> <h1>How This Real Image Won an AI Photo Competition</h1> <p>Wed, 19 Jun 2024 10:45:00 +0000</p> <p>Nature still outdoes the machine, says a photographer whose real image won an AI photography competition</p> </article> <article> <h1>We Already Know the Dangers of Nukes in Space</h1> <p>Wed, 19 Jun 2024 10:00:00 +0000</p> <p>A nuclear explosion in space would cause stunning auroras—and wreak havoc on satellites and space stations.</p> </article> <article> <h1>China Has Plans for the World’s Largest Particle Collider</h1> <p>Tue, 18 Jun 2024 15:00:00 +0000</p> <p>China wants to build a next-generation particle collider that would be cheaper and more powerful than Europe’s planned successor to the Large Hadron Collider</p> </article> <article> <h1>Converting Offices to Apartments Gives Empty Buildings a New Lease on Life</h1> <p>Tue, 18 Jun 2024 13:00:00 +0000</p> <p>Employees are working remotely, and office buildings are standing empty, inspiring some cities to work through the challenges of converting these structures into new apartments</p> </article> <article> <h1>Abortion Pill Access Is Still Under Threat After Supreme Court Ruling, Legal Experts Warn</h1> <p>Tue, 18 Jun 2024 12:30:00 +0000</p> <p>“It would be foolish to declare victory” for abortion rights, one expert says of the recent Supreme Court challenge to medication abortion access</p> </article> <article> <h1>We’ve Hit Peak Denial. Here’s Why We Can’t Turn Away From Reality</h1> <p>Tue, 18 Jun 2024 12:00:00 +0000</p> <p>We are living through a terrible time in humanity. Here’s why we tend to stick our heads in the sand and why we need to pull them out, fast</p> </article> <article> <h1>Intense Heat Dome Will Bring Record-Breaking Temperatures to the East</h1> <p>Tue, 18 Jun 2024 11:30:00 +0000</p> <p>A heat dome is sending temperatures soaring across the U.S. Midwest and East</p> </article> <article> <h1>We Should Engineer Better Learning in Our Schools</h1> <p>Tue, 18 Jun 2024 11:00:00 +0000</p> <p>Students should learn about both the natural world and human-made—or engineered—one we live in</p> </article> <article> <h1>Longer Freight Trains Are More Likely to Derail</h1> <p>Tue, 18 Jun 2024 10:45:00 +0000</p> <p>Replacing two 50-car trains with a single 100-car train increases the odds of derailment by 11 percent, according to a new risk analysis</p> </article> <article> <h1>Humans Started Passing Down Knowledge to Future Generations 600,000 Years Ago</h1> <p>Mon, 17 Jun 2024 21:45:00 +0000</p> <p>The advent of “cumulative culture”—teaching others and passing down that knowledge—may have reached an inflection point around the time Neandertals and modern humans split from a common ancestor</p> </article> <article> <h1>Releasing Baby Cane Toads Teaches Predators to Avoid Toxic Adults</h1> <p>Mon, 17 Jun 2024 12:00:00 +0000</p> <p>Australian conservationists introduced juvenile cane toads ahead of invasions to help prepare native monitor lizards</p> </article> <article> <h1>Has AI Already Brought Us the Terminator Future?</h1> <p>Mon, 17 Jun 2024 11:00:00 +0000</p> <p>Is baby Skynet already here? We need robust laws now to withstand eliminating humans from nuclear decision-making</p> </article> <article> <h1>Joro Spiders Are No Big Deal, and Starlink Satellites Threaten the Ozone Layer</h1> <p>Mon, 17 Jun 2024 10:00:00 +0000</p> <p>Sweltering heat in Greece, ozone-damaging chemicals on the decline and an investigation of what space does to our body are all in this week’s news roundup.</p> </article> <article> <h1>Russia’s War in Ukraine Has Produced $32 Billion in Climate Damage</h1> <p>Sun, 16 Jun 2024 12:00:00 +0000</p> <p>The first two years of Russia’s war in Ukraine have produced 175 million tons of carbon dioxide</p> </article> <article> <h1>The Physics of Breakdancing, a New Olympic Sport</h1> <p>Sat, 15 Jun 2024 12:00:00 +0000</p> <p>Breakdancing will hit the global stage at the 2024 Summer Olympic Games in Paris, and this physicist is excited to break down the science</p> </article> <article> <h1>Voyager 1 Is Back! NASA Spacecraft Safely Resumes All Science Observations</h1> <p>Fri, 14 Jun 2024 19:30:00 +0000</p> <p>NASA’s venerable Voyager 1 spacecraft has resumed normal science operations with all four functioning instruments for the first time in more than six months</p> </article> <article> <h1>Dodge Summer Germs with Tips from a Microbiologist</h1> <p>Fri, 14 Jun 2024 13:00:00 +0000</p> <p>From hiking to barbecuing and gardening to swimming, the opportunities for summer fun can also pose health risks. Here’s how to stay safe this summer</p> </article> <article> <h1>Electric Aircraft Are Quietly Sneaking Up on Us</h1> <p>Fri, 14 Jun 2024 12:00:00 +0000</p> <p>New electric-powered, vertical-lift aircraft are rising to the challenge of delivering clean and cheap air taxi services</p> </article> <article> <h1>Seaweed Is Choking the Caribbean’s Iconic White Sand Beaches</h1> <p>Fri, 14 Jun 2024 11:30:00 +0000</p> <p>Massive blobs of sargassum seaweed are taking over Caribbean beaches. The seaweed explosion is fueled by pollution washing into the ocean from rivers in the Americas and Africa</p> </article> <article> <h1>Bizarre ‘Loch Ness Monster’ Microbe Hunts with a Hyperextensible Origami Neck</h1> <p>Fri, 14 Jun 2024 11:00:00 +0000</p> <p>A microbe can grow a neck that is 30 times as long as its body in just a few seconds. Origami folding explains how <br/></p> </article> <article> <h1>Dark Matter Telescope’s Dazzling New Images Shine</h1> <p>Fri, 14 Jun 2024 10:45:00 +0000</p> <p>The latest images from Euclid, a European mission studying dark matter and dark energy, are spectacularly beautiful—and scientifically promising</p> </article> <article> <h1>Could Iron from Melting Glaciers Affect Global Climate?</h1> <p>Fri, 14 Jun 2024 10:00:00 +0000</p> <p>Researchers are investigating how an iron infusion from glacial meltwater might change Antarctica’s seas and the climate.</p> </article> <article> <h1>Ecological Restoration Began with the Wild and Wonderful Gardens of Early Female Botanists</h1> <p>Thu, 13 Jun 2024 19:30:00 +0000</p> <p>Historian and ecologist Laura J. Martin rediscovers the female scientists who established ecological restoration in her book <i>Wild by Design</i></p> </article> <article> <h1>JWST Detects the Earliest, Most Distant Galaxy in the Known Universe—And It’s Super Weird</h1> <p>Thu, 13 Jun 2024 14:30:00 +0000</p> <p>NASA’s James Webb Space Telescope observed an unusually large and highly luminous galaxy at a record-breaking 290 million years after the big bang</p> </article> <article> <h1>How a Secret Society Discovered Irrational Numbers</h1> <p>Thu, 13 Jun 2024 13:00:00 +0000</p> <p>Myths and legends surround the origins of these numbers</p> </article> <article> <h1>Alzheimer’s Drug with Modest Benefits Gets Green Light from FDA Advisers</h1> <p>Thu, 13 Jun 2024 12:00:00 +0000</p> <p>The drug donanemab slows progression of symptoms in people with early stages of Alzheimer’s disease, but questions linger about the durability of its effect</p> </article> <article> <h1>University Presidents Should Study How Democracy Works</h1> <p>Thu, 13 Jun 2024 11:00:00 +0000</p> <p>A philosophy department chair arrested at a campus protest offers university presidents a lesson in democracy</p> </article> <article> <h1>What Happens if a Nuclear Weapon Goes Off in Space?</h1> <p>Thu, 13 Jun 2024 10:45:00 +0000</p> <p>Russia may be planning to put a nuclear weapon in orbit. We have known since the 1960s why that is a bad idea</p> </article> <article> <h1>Lack of Bird Flu Tests Could Hide Pandemic Warning Signs</h1> <p>Wed, 12 Jun 2024 19:30:00 +0000</p> <p>The FDA has authorized just one type of avian flu test, and it is only available to livestock workers</p> </article> <article> <h1>Clean Energy Spending Will Surpass $2 Trillion This Year</h1> <p>Wed, 12 Jun 2024 16:00:00 +0000</p> <p>Investments in carbon-free energy will be twice as large as fossil fuel spending in 2024, the International Energy Agency predicts</p> </article> <article> <h1>First Wooden Satellite Will Test ‘Green’ Space Exploration</h1> <p>Wed, 12 Jun 2024 13:00:00 +0000</p> <p>Japan’s LignoSat will test wood’s resilience in space and could lead to a new era of more sustainable, less polluting satellites</p> </article> <article> <h1>Atom-Thick Gold Coating Sparks Scientific ‘Goldene Rush’</h1> <p>Wed, 12 Jun 2024 10:45:00 +0000</p> <p>Ultrathin gold was achieved with the help of a century-old sword-making technique</p> </article> <article> <h1>What’s Actually In Tattoo Ink? No One Really Knows</h1> <p>Wed, 12 Jun 2024 10:00:00 +0000</p> <p>Chemists are hard at work figuring out how to make tattoos last—and ensure they’re safe.</p> </article> <article> <h1>Millions of Joro Spiders Are Moving Up the East Coast. Here’s What to Expect</h1> <p>Tue, 11 Jun 2024 19:20:00 +0000</p> <p>Millions of hand-size Joro spiders are moving up the East Coast. Don’t panic</p> </article> <article> <h1>First Promethium ‘Complex’ Created, Revealing Mysterious Element’s Secrets</h1> <p>Tue, 11 Jun 2024 17:00:00 +0000</p> <p>Promethium, one of the rarest and most mysterious elements in the periodic table, has finally given up some crucial chemical secrets</p> </article> </main></body></html>