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Dumbest question is the one you never ask, says Amazon CEO
Research Institutions

Dumbest question is the one you never ask, says Amazon CEO

Andy Jassy. Veasey Conway/Harvard Staff Photographer Work & Economy Dumbest question is the one you never ask, says Amazon CEO AI competition – among companies and in the labor market – also on Jassy’s mind in HBS talk Christina Pazzanese Harvard Staff Writer September 21, 2026 4 min read Though it’s best known as an online retail and streaming giant, Amazon has also played a central role in the AI revolution. In August, the company’s valuation hit $3 trillion. Much of that was driven by Amazon Web Services (AWS), the cloud computing operation that serves as a primary platform for both large-scale frontier model AI builders like Anthropic and OpenAI and for smaller firms developing simpler, ...

📅 2026-09-21 18:23:56    •    Harvard Gazette
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Democracy? Some founders were skeptical.
Research Institutions

Democracy? Some founders were skeptical.

Illustration by Liz Zonarich/Harvard Staff Nation & World Democracy? Some founders were skeptical. Historians detail how, why Constitution became (and remains) work in progress Liz Mineo Harvard Staff Writer September 21, 2026 5 min read Part of a series of occasional features marking the nation’s semiquincentennial. Creating a democracy was not really at the forefront of the founders’ minds when the American colonies first declared independence from Britain in 1776. The independence movement began as a struggle between the colonies and the crown to gain more rights within the empire, not to break away from it, said Alex Keyssar, Matthew W. Stirling Jr. Professor of History and Social Policy...

📅 2026-09-21 18:23:05    •    Harvard Gazette
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A newly discovered mechanism helps cells prevent errors during DNA replication
Science News

A newly discovered mechanism helps cells prevent errors during DNA replication

At the scale of individual cells, the human body is constantly in motion. Every second, millions of cells divide, particularly in tissues such as the bone marrow, intestine and skin; neurons and heart muscle cells divide far less frequently. All of this depends on the molecular machinery responsible for copying the billions of chemical units that make up DNA inside the nucleus.

📅 2026-09-21 18:20:05    •    Phys.org
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STEM activities with family and educators expose students to diverse career paths
Science News

STEM activities with family and educators expose students to diverse career paths

Activities children take part in with family and friends can help shape the fields of study and careers they pursue as adults. A new study published in the International Journal of STEM Education by FIU education researchers Chris Irwin and Zahra Hazari found that STEM activities and conversations with family, friends and teachers are among the strongest factors influencing students' motivations for pursuing STEM (science, technology, engineering and math) careers.

📅 2026-09-21 18:20:01    •    Phys.org
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Antarctica's lost mountains may have helped early life flourish
Science News

Antarctica's lost mountains may have helped early life flourish

Beneath the vast frozen wastes of Antarctica lie the remains of ancient mountains that have long since eroded. Even though they're no longer standing, they can still reveal a few lost secrets. New research published in Earth and Planetary Science Letters suggests that these vanished peaks may have played a fundamental role in the evolution of complex life on this planet.

📅 2026-09-21 18:10:01    •    Phys.org
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Carter Stubbs named Institute auditor
Research Institutions

Carter Stubbs named Institute auditor

Carter Stubbs has been appointed MIT’s Institute auditor, effective Nov. 2. Stubbs, who currently serves as audit assistant director for IT Audit and Advisory Services, has been a member of the MIT community for more than 11 years and brings deep institutional knowledge, highly salient management experience, and a forward-looking vision to the role. Stubbs will succeed Michael Moody, who has served as Institute auditor for 12 years and will retire from MIT in October. Executive Vice President and Treasurer Glen Shor announced the news today in a letter to MIT’s Academic Council.“Carter stood out in a competitive field of candidates thanks to his impressive audit and IT expertise, collaborati...

📅 2026-09-21 17:00:00    •    MIT News
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Southern Taurid meteor shower begins ‪—‬ how to spot blazing 'fireballs' from now till November
Science News

Southern Taurid meteor shower begins ‪—‬ how to spot blazing 'fireballs' from now till November

One of the longest-running meteor showers of the year began on Sunday (Sept. 20), as the Southern Taurids start sending occasional "shooting stars" — and, potentially, spectacular fireballs — across the night sky.The Southern Taurid meteor shower runs from Sept. 20 through Nov. 20, peaking overnight on both Oct. 13-14 and Nov. 4-5, according to the American Meteor Society. Although only about five to 10 meteors per hour can be expected during the shower's peak, the Taurids have a reputation for producing fireballs — very bright meteors that appear as flashes while falling through the atmosphere.Patience is often rewarded with some of the most impressive meteors of the year, partly because th...

📅 2026-09-21 16:06:06    •    Live Science
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Batteries that safely break down in the GI tract could improve ingestible devices
Research Institutions

Batteries that safely break down in the GI tract could improve ingestible devices

Using materials safe for human consumption, MIT researchers have created tiny batteries that could be used to power ingestible electronic devices. Such batteries could make the devices safer for patients and minimize the environmental impact of the batteries after they are excreted.In a new study, the researchers showed that the batteries, which generate 1.84 volts, could power two different types of devices: an RFID tag that can transmit from the stomach, and a capsule that produces a small electrical current that stimulates production of ghrelin, the hunger hormone.This type of battery, which contains electrodes made from magnesium and molybdenum trioxide, could also be deployed in other i...

📅 2026-09-21 15:00:00    •    MIT News
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Stopping Ozempic may raise heart attack and stroke risk
Science News

Stopping Ozempic may raise heart attack and stroke risk

A large study suggests the cardiovascular benefits of GLP-1 drugs such as Ozempic, Wegovy, Mounjaro, and Zepbound can disappear surprisingly quickly when treatment stops. After two years off the medications, patients had a 22% higher risk of heart attack, stroke, and death compared with those who stayed on them.

📅 2026-09-21 13:35:30    •    ScienceDaily
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Black holes of every size follow the same surprising rule
Science News

Black holes of every size follow the same surprising rule

Scientists have found evidence that black holes of vastly different sizes may launch powerful jets according to the same universal rule. Supermassive black holes can produce jets soon after tearing apart a star, then fire up again hundreds or thousands of days later when their feeding rate drops to about 2% of the Eddington limit. That same threshold is known to trigger jets from much smaller black holes in the Milky Way.

📅 2026-09-21 13:23:10    •    ScienceDaily
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A new process turns plastic waste into gasoline and diesel fuel
Science News

A new process turns plastic waste into gasoline and diesel fuel

Scientists at Oak Ridge National Laboratory have developed a surprisingly simple way to turn polyethylene, the common plastic used in shopping bags and cutting boards, into gasoline and diesel-like fuels. The process uses inexpensive aluminum-based molten salts to break long plastic molecules into smaller hydrocarbons, producing about 60% gasoline under relatively mild conditions.

📅 2026-09-21 13:08:40    •    ScienceDaily
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NASA just powered up Roman’s massive 300-megapixel camera
Science News

NASA just powered up Roman’s massive 300-megapixel camera

NASA’s Roman Space Telescope has successfully activated its 300-megapixel infrared camera, which will capture enormous stretches of the cosmos with Hubble-like sharpness. Its planet-hunting coronagraph is also working as expected, putting Roman another major step closer to beginning science operations in 2027.

📅 2026-09-21 12:10:58    •    ScienceDaily
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Amazon study reveals the best strategies for protecting biodiversity and carbon
Science News

Amazon study reveals the best strategies for protecting biodiversity and carbon

A large Amazon study suggests the most powerful conservation move may be protecting the forests that are already standing. Preventing damage from wildfires and logging delivered the greatest biodiversity benefits and nearly matched deforestation prevention for protecting carbon. Restoration remains important, particularly where forests have already been heavily cleared, but it was more expensive and less effective on its own.

📅 2026-09-21 11:54:17    •    ScienceDaily
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Chronic stress may be quietly reshaping your heart
Science News

Chronic stress may be quietly reshaping your heart

Chronic inflammation tied to stress, lifestyle, mental health, and socioeconomic conditions may silently change the heart for years before any symptoms appear. People with the highest inflammation levels faced a 43% greater risk of heart attack and stroke, raising hopes that earlier testing and anti-inflammatory treatments could help prevent serious heart disease.

📅 2026-09-21 11:35:13    •    ScienceDaily
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Stanford scientists discover the human brain may actually be two separate organs
Science News

Stanford scientists discover the human brain may actually be two separate organs

Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery also allowed researchers to grow human hindbrain neurons in the lab, opening new possibilities for studying ALS, spinal muscular atrophy, and other brainstem diseases.

📅 2026-09-21 10:12:51    •    ScienceDaily
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Funeral mask: A 2,000-year-old gold face covering designed to confuse the deceased's spirit so it didn't torment the living
Science News

Funeral mask: A 2,000-year-old gold face covering designed to confuse the deceased's spirit so it didn't torment the living

A prehistoric gold funeral mask from Java. (Image credit: Yale University Art Museum (CC0 1.0 Universal))QUICK FACTSName: Funeral maskWhat it is: A gold mask with a humanlike faceWhere it is from: Java, IndonesiaWhen it was made: Between 500 B.C. and A.D. 200This gold mask was made on the Indonesian island of Java around two millennia ago and was likely used to cover the face of a corpse, possibly with the aim of "confusing" the deceased's spirit so that it did not torment the living.According to the Yale University Art Gallery, which has the prehistoric artifact in its collection, the mask measures roughly 8.9 by 6.7 inches (22.6 by 17 centimeters) and weighs about 2.1 ounces (60.9 grams). ...

📅 2026-09-21 10:00:00    •    Live Science
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