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Suborbital space tourism finally arrives | FCC prepares to run public C-band auction | The big four in the U.S. launch industry — United Launch Alliance, SpaceX, Blue Origin and Northrop Grumman — hope to be one of two providers that will receive five-year contracts later this year to launch national security payloads starting in 2022. | China’s launch rate stays high | The International Space Station is the largest ever crewed object in space.

 
Implantable device uses ultrasound to improve drug...
Patients with glioblastoma, an aggressive type of brain tumor, usually undergo surgery to remove the tumor. However, it’s difficult for surgeons to remove all of the cancer cells, and the tumor often recurs. MIT researchers have now designed an implantable drug-delivery device that they hope could help prevent recurrence of glioblastoma. Their device contains a reservoir that can release drugs over an extended period, along with ultrasound transducers that use sound waves to help drugs spread farther through the...

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Watch the universe emerge from the dark...
With the Big Bang, the universe burst into existence as a hot and dense soup of electrons and subatomic particles. This primordial ionized plasma, initially smaller than a single atom, rapidly expanded and cooled. In the process, particles in the soup slowed enough to bind with electrons, forming electrically neutral hydrogen.  As this neutral hydrogen accumulated, the effect was like a shroud, preventing light and other forms of radiation from freely passing through. Around 380,000 years after the Big...

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At MIT, Martha Minow speaks on sustaining...
Legal scholar Martha Minow delivered this fall’s Compton Lecture at MIT on Thursday, examining the civic foundations of democracy — and describing how artificial intelligence is undermining it, but could be used to help reinforce traditional U.S. governance.  “It’s not a good time for democracy or constitutionalism,” said Minow, who is the 300th Anniversary University Professor at Harvard University, and a prominent expert in constitutional law and human rights. She noted a litany of challenges to democracy in recent...

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Persistence, teamwork, and some healthy competition
When Veronica Calzadilla Sosa transferred to MIT from Miami Dade College in Florida, she was an incoming second-year student with an interest in chemical engineering. She didn’t know how involved she would soon become as a student leader in the department. She would also go on to discover her competitive side. At the encouragement of a friend who was then a team captain, Calzadilla Sosa joined MIT’s chapter of American Institute of Chemical Engineers, and the two worked with...

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Startup plans to rejuvenate the nuclear power...
Building a nuclear power plant is one of the most complex construction projects in the world. It requires thousands of trucks to ship parts, often to remote regions, where huge teams of skilled workers like electricians and welders come together to assemble everything over many years. Financing such projects is difficult, in part because no one wants to risk loaning money to a project that might never generate power and revenue, whether that’s due to technical failures, the inability...

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Tod Machover’s new symphony plays with AI...
Innovation, reflection, and celebration will blend at the Boston Symphony Orchestra this week, where MIT composer Tod Machover’s inventive new work “already and not yet” will see its world premiere on Thursday. Machover, one of the world’s most prominent composers, has incorporated multiple ongoing interests into the new symphony, including AI tools interacting with the musicians, and a piece that is structured as a meditation on the crisis and promise of democracy.  “An orchestra is an interesting ensemble to...

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MIT spinout makes surgical stitching more like...
Dozens of surgical procedures require doctors to connect two pieces of tissue together in a delicate stitching process. It happens in triple heart bypass, C-sections, and surgeries to repair hernias and tendons. Today, those procedures are mostly done by surgeon-controlled robots or by hand, and the margin for error is small. Even small errors in suturing or stapling can lead to leaks with devastating consequences to patients. SanaHeal wants to make connecting tissues more like using tape. The company...

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Giving AI a “crystal clear” view of...
In principle, artificial intelligence could make finding the right material for an application as simple as ordering dinner: Scientists would tell a large language model what they want, and it would serve them the perfect material for the job. Unfortunately, that approach doesn’t work well yet, and the problem comes down to data: Most materials consist of 3D arrangements of crystals, not the text streams that today’s large language models are trained on. The experimental literature is also heavily...

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Fostering community amid Kendall Square’s innovation
Kendall Square in Cambridge, Massachusetts, is often cited as the most innovative square mile in the world. But when the Kendall Square Association gathered local stakeholders for its 18th Annual Meeting Thursday, the conversation focused on innovation primarily in the context of community. The event, which took place at the nonprofit startup incubator The Engine, attracted people from across Cambridge, including business leaders, elected officials, local residents, and students, for a night of local food and conversation about the...

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NASA Announces Plan to Map Milky Way...
NASA’s Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy, the Milky Way, in unprecedented detail. In one month of observations spread across two years, the survey will unveil tens of billions of stars and explore previously uncharted structures. This video begins with a view of the Carina Nebula — a giant, relatively nearby star-forming region in the southern sky. Roman will view the entire nebula as well...

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Scientists reveal the real benefits and hidden...
Medical cannabis is widely used for issues such as chronic pain, anxiety and insomnia, but a major analysis led by UCLA Health reports that the scientific support for these uses remains weak. A study published in JAMA examined more than 2,500 scientific papers released from January 2010 through September 2025, including randomized clinical trials, meta-analyses and clinical guidelines. Over 120 of these studies were given priority based on sample size, recency, relevance and the range of health conditions they...

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‘Six-Seven’ Is Six Feet Under
It goes like this: When six and seven appear together in print, or in speech, or on television, or in a YouTube video, or even just when you write them down on loose-leaf paper, that’s “six-seven.” “Six-seven!” you say, you probably being a middle-school-age child. Such is the youth phenomenon known by this name. Now you know, but chances are you already did, especially if a preteen has lived in your house anytime since this spring. Six-seven-ing seems to...

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Scientists find dark chocolate ingredient that slows...
A natural chemical in dark chocolate may play a role in slowing certain signs of biological aging. Researchers at King’s College London have identified theobromine, a plant compound found in cocoa, as a possible contributor to this effect. The study, published on December 10 in Aging, analyzed how much theobromine was present in participants’ blood and compared those levels with biological aging markers measured in blood samples. What Biological Age Reveals Biological age reflects how well a person’s body is functioning,...

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Massive Stars Make Their Mark in Hubble...
This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million light-years away in the constellation Ursa Major (the Great Bear). Mrk 178 is one of more than 1,500 Markarian galaxies. These galaxies get their name from the Armenian astrophysicist Benjamin Markarian, who compiled a list of galaxies that were surprisingly bright in ultraviolet light. While the bulk of...

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A silent ocean pandemic is wiping out...
Sea urchins play a crucial role in the ocean, acting as ecosystem engineers much like large grazers on land. As they feed on seaweed and seagrass, they trim back algae and help protect slow-growing species such as corals and certain calcifying algae. In turn, sea urchins are an important food source for many marine mammals, fish, crustaceans, and sea stars. When sea urchin populations grow too large, however, especially if their natural predators are heavily hunted or overfished, the...

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