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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.

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Aspiring to sustainable development

October 23, 2024

In a first for both universities, MIT undergraduates are engaged in research projects at the Universidad del Valle de Guatemala (UVG), while MIT scholars are collaborating with UVG undergraduates on in-depth field studies in Guatemala. These pilot projects are part of a larger enterprise, called ASPIRE (Achieving Sustainable Partnerships for Innovation, Research, and Entrepreneurship). Funded by the U.S. Agency for International Development, this five-year, $15-million initiative brings together MIT, UVG, and the Guatemalan Exporters Association to promote sustainable solutions...

Brain pathways that control dopamine release may...

October 23, 2024

Within the human brain, movement is coordinated by a brain region called the striatum, which sends instructions to motor neurons in the brain. Those instructions are conveyed by two pathways, one that initiates movement (“go”) and one that suppresses it (“no-go”). In a new study, MIT researchers have discovered an additional two pathways that arise in the striatum and appear to modulate the effects of the go and no-go pathways. These newly discovered pathways connect to dopamine-producing neurons in...

Misinformation is all around. How can we...

October 22, 2024

Political misinformation is a hard problem. False statements pervade contemporary politics, sowing division and distrust, and making it harder for society to operate on the basis of fact and law. Even in matters of health and medicine, where people would seem to have a strong self-interest in knowing the facts, problems such as vaccine misinformation abound. So, what can be done to battle the false stories floating all around us? Misinformation is durable and highly resistant to small-bore solutions,...

Seven with MIT ties elected to National...

October 22, 2024

The National Academy of Medicine recently announced the election of more than 90 members during its annual meeting, including MIT faculty members Matthew Vander Heiden and Fan Wang, along with five MIT alumni. Election to the National Academy of Medicine (NAM) is considered one of the highest honors in the fields of health and medicine and recognizes individuals who have demonstrated outstanding professional achievement and commitment to service. Matthew Vander Heiden is the director of the Koch Institute for...

How climate change will impact outdoor activities...

October 22, 2024

It can be hard to connect a certain amount of average global warming with one’s everyday experience, so researchers at MIT have devised a different approach to quantifying the direct impact of climate change. Instead of focusing on global averages, they came up with the concept of “outdoor days”: the number days per year in a given location when the temperature is not too hot or cold to enjoy normal outdoor activities, such as going for a walk, playing...

A new framework to efficiently screen drugs

October 17, 2024

Some of the most widely used drugs today, including penicillin, were discovered through a process called phenotypic screening. Using this method, scientists are essentially throwing drugs at a problem — for example, when attempting to stop bacterial growth or fixing a cellular defect — and then observing what happens next, without necessarily first knowing how the drug works. Perhaps surprisingly, historical data show that this approach is better at yielding approved medicines than those investigations that more narrowly focus...

How is the world watching the 2024...

October 17, 2024

No matter the outcome, the results of the 2024 United States presidential election are certain to have global impact. How are citizens and leaders in other parts of the world viewing this election? What’s at stake for their countries and regions? This was the focus of “The 2024 US Presidential Election: The World is Watching,” a Starr Forum held earlier this month on the MIT campus. The Starr Forum is a public event series hosted by MIT’s Center for...

Using spatial learning to transform math and...

October 17, 2024

Legend has it that Isaac Newton was sitting under a tree when an apple fell on his head, sparking a bout of scientific thinking that led to the theory of gravity. It’s one of the most famous stories in science, perhaps because it shows the power of simple human experiences to revolutionize our understanding of the world around us. About five years ago, Anurupa Ganguly ’07, MNG ’09 noticed kids don’t learn that way in schools. “Students should learn...

Combining next-token prediction and video diffusion in...

October 16, 2024

In the current AI zeitgeist, sequence models have skyrocketed in popularity for their ability to analyze data and predict what to do next. For instance, you’ve likely used next-token prediction models like ChatGPT, which anticipate each word (token) in a sequence to form answers to users’ queries. There are also full-sequence diffusion models like Sora, which convert words into dazzling, realistic visuals by successively “denoising” an entire video sequence. Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL)...

Equipping doctors with AI co-pilots

October 16, 2024

Most doctors go into medicine because they want to help patients. But today’s health care system requires that doctors spend hours each day on other work — searching through electronic health records (EHRs), writing documentation, coding and billing, prior authorization, and utilization management — often surpassing the time they spend caring for patients. The situation leads to physician burnout, administrative inefficiencies, and worse overall care for patients. Ambience Healthcare is working to change that with an AI-powered platform that automates routine tasks...

MIT team takes a major step toward...

October 15, 2024

Active electronics — components that can control electrical signals — usually contain semiconductor devices that receive, store, and process information. These components, which must be made in a clean room, require advanced fabrication technology that is not widely available outside a few specialized manufacturing centers. During the Covid-19 pandemic, the lack of widespread semiconductor fabrication facilities was one cause of a worldwide electronics shortage, which drove up costs for consumers and had implications in everything from economic growth to national...

Tiny magnetic discs offer remote brain stimulation...

October 11, 2024

Novel magnetic nanodiscs could provide a much less invasive way of stimulating parts of the brain, paving the way for stimulation therapies without implants or genetic modification, MIT researchers report. The scientists envision that the tiny discs, which are about 250 nanometers across (about 1/500 the width of a human hair), would be injected directly into the desired location in the brain. From there, they could be activated at any time simply by applying a magnetic field outside the...

A new method makes high-resolution imaging more...

October 11, 2024

A classical way to image nanoscale structures in cells is with high-powered, expensive super-resolution microscopes. As an alternative, MIT researchers have developed a way to expand tissue before imaging it — a technique that allows them to achieve nanoscale resolution with a conventional light microscope. In the newest version of this technique, the researchers have made it possible to expand tissue 20-fold in a single step. This simple, inexpensive method could pave the way for nearly any biology lab...

Mixing joy and resolve, event celebrates women...

October 10, 2024

For two days at The Picower Institute for Learning and Memory at MIT, participants in the Kuggie Vallee Distinguished Lectures and Workshops celebrated the success of women in science and shared strategies to persist through, or better yet dissipate, the stiff headwinds women still face in the field. “Everyone is here to celebrate and to inspire and advance the accomplishments of all women in science,” said host Li-Huei Tsai, Picower Professor in the Department of Brain and Cognitive Sciences...

Uplifting West African communities, one cashew at...

October 10, 2024

Ever wonder how your favorite snack was sourced? Joshua Reed-Diawuoh thinks more people should. Reed-Diawuoh MBA ’20 is the founder and CEO of GRIA Food Company, which partners with companies that ethically source and process food in West Africa to support local food economies and help communities in the region more broadly. “It’s very difficult for these agribusinesses and producers to start sustainable businesses and build up that value chain in the area,” says Reed-Diawuoh, who started the company...

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