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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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3 Questions: What you need to know...

March 15, 2024

Audio deepfakes have had a recent bout of bad press after an artificial intelligence-generated robocall purporting to be the voice of Joe Biden hit up New Hampshire residents, urging them not to cast ballots. Meanwhile, spear-phishers — phishing campaigns that target a specific person or group, especially using information known to be of interest to the target — go fishing for money, and actors aim to preserve their audio likeness. What receives less press, however, are some of the...

Study finds lands used for grazing can...

March 15, 2024

When it comes to global climate change, livestock grazing can be either a blessing or a curse, according to a new study, which offers clues on how to tell the difference. If managed properly, the study shows, grazing can actually increase the amount of carbon from the air that gets stored in the ground and sequestered for the long run. But if there is too much grazing, soil erosion can result, and the net effect is to cause more...

Envisioning a time when people age without...

March 15, 2024

The mathematician and computer scientist Richard Hamming once gave a talk about doing great research. “He who works with the door open gets all kinds of interruptions, but he also occasionally gets clues as to what the world is and what might be important,” Hamming said, emphasizing the importance of open-mindedness and scientific development. William Li came across this quote as a high school student seeking to dedicate himself to research but unsure how to begin. “I think that...

2024 MacVicar Faculty Fellows named

March 15, 2024

Four outstanding undergraduate teachers and mentors have been named MacVicar Faculty Fellows: professor of electrical engineering and computer science (EECS) Karl Berggren, professor of political science Andrea Campbell, associate professor of music Emily Richmond Pollock, and professor of EECS Vinod Vaikuntanathan. For more than 30 years, the MacVicar Faculty Fellows Program has recognized exemplary and sustained contributions to undergraduate education at MIT. The program is named in honor of Margaret MacVicar, MIT’s first dean for undergraduate education and founder...

“Imagine it, build it” at MIT

March 14, 2024

MIT class 2.679 (Electronics for Mechanical Systems II) offers a sort of alchemy that transforms students from consumers of knowledge to explorers and innovators, and equips them with a range of important new tools at their disposal, students say. “Topics which could otherwise feel intimidating are well-scoped each week so that students come out knowing not only what a concept is, but why it’s useful and how to actually implement it,” says graduating senior Audrey Chen. “I could consistently...

Life on Mars, together

March 13, 2024

Earlier this year, Madelyn Hoying, a PhD student in the Harvard-MIT Program in Health Sciences and Technology, and Wing Lam (Nicole) Chan, an MIT senior in aeronautics and astronautics, were part of Crew 290 at the Mars Desert Research Station (MDRS), the largest and longest-running Mars analog facility in the world. Their six-person crew completed a two-week simulation under the name Project MADMEN (Martian Analysis and Detection of Microbial Environments) — an analog of potential Martian search-for-life missions. The mission...

Letting the Earth answer back: Designing better...

March 13, 2024

For Chen Chu MArch ’21, the invitation to join the 2023-24 cohort of Morningside Academy for Design Design Fellows has been an unparalleled opportunity to investigate the potential of design as an alternative method of problem-solving. After earning a master’s degree in architecture at MIT and gaining professional experience as a researcher at an environmental nongovernmental organization, Chu decided to pursue a PhD in the Department of Urban Studies and Planning. “I discovered that I needed to engage in a...

How free online courses from MIT can...

March 12, 2024

From full introductory courses in engineering, psychology, and computer science to lectures about financial concepts, linguistics, and music, the MIT OpenCourseWare YouTube channel has it all — offering millions of learners around the world a pathway to develop new skills and broaden their knowledge base with free offerings from MIT educators. “I believe OpenCourseWare and Open Learning resources will transform the future of the world for the better — in financial markets I know it already has,” says Michael...

Master bladesmith Bob Kramer’s lessons from the...

March 12, 2024

The story of Bob Kramer’s career is a wild one, peppered with twists and turns, false starts, and happy accidents. Before gaining renown as one the finest bladesmiths at work today (a bladesmith is an expert at creating knives and other bladed objects), Kramer had enrolled in and dropped out of college, worked as a chef, performed in improvisational theater, and traveled the United States by train as a circus clown. “The main takeaway for me was that this is...

Boosting student engagement and workforce development in...

March 12, 2024

The Northeast Microelectronics Internship Program (NMIP), an initiative of MIT’s Microsystems Technology Laboratories (MTL) to connect first- and second-year college students to careers in semiconductor and microelectronics industries, recently received a $75,000 grant to expand its reach and impact. The funding is part of $9.2 million in grants awarded by the Northeast Microelectronics Coalition (NEMC) Hub to boost technology advancement, workforce development, education, and student engagement across the Northeast Region. NMIP was founded by Tomás Palacios, the Clarence J....

Scientists develop a rapid gene-editing screen to...

March 12, 2024

Tumors can carry mutations in hundreds of different genes, and each of those genes may be mutated in different ways — some mutations simply replace one DNA nucleotide with another, while others insert or delete larger sections of DNA. Until now, there has been no way to quickly and easily screen each of those mutations in their natural setting to see what role they may play in the development, progression, and treatment response of a tumor. Using a variant...

Reducing pesticide use while increasing effectiveness

March 12, 2024

Farming can be a low-margin, high-risk business, subject to weather and climate patterns, insect population cycles, and other unpredictable factors. Farmers need to be savvy managers of the many resources they deal, and chemical fertilizers and pesticides are among their major recurring expenses. Despite the importance of these chemicals, a lack of technology that monitors and optimizes sprays has forced farmers to rely on personal experience and rules of thumb to decide how to apply these chemicals. As a...

Exploring the cellular neighborhood

March 11, 2024

Cells rely on complex molecular machines composed of protein assemblies to perform essential functions such as energy production, gene expression, and protein synthesis. To better understand how these machines work, scientists capture snapshots of them by isolating proteins from cells and using various methods to determine their structures. However, isolating proteins from cells also removes them from the context of their native environment, including protein interaction partners and cellular location. Recently, cryogenic electron tomography (cryo-ET) has emerged as a...

A new sensor detects harmful “forever chemicals”...

March 11, 2024

MIT chemists have designed a sensor that detects tiny quantities of perfluoroalkyl and polyfluoroalkyl substances (PFAS) — chemicals found in food packaging, nonstick cookware, and many other consumer products. These compounds, also known as “forever chemicals” because they do not break down naturally, have been linked to a variety of harmful health effects, including cancer, reproductive problems, and disruption of the immune and endocrine systems. Using the new sensor technology, the researchers showed that they could detect PFAS levels...

Researchers enhance peripheral vision in AI models

March 8, 2024

Peripheral vision enables humans to see shapes that aren’t directly in our line of sight, albeit with less detail. This ability expands our field of vision and can be helpful in many situations, such as detecting a vehicle approaching our car from the side. Unlike humans, AI does not have peripheral vision. Equipping computer vision models with this ability could help them detect approaching hazards more effectively or predict whether a human driver would notice an oncoming object. Taking...

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