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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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Cracking the case of Arctic sea ice...

June 1, 2022

Despite its below-freezing temperatures, the Arctic is warming twice as fast as the rest of the planet. As Arctic sea ice melts, fewer bright surfaces are available to reflect sunlight back into space. When fractures open in the ice cover, the water underneath gets exposed. Dark, ice-free water absorbs the sun’s energy, heating the ocean and driving further melting — a vicious cycle. This warming in turn melts glacial ice, contributing to rising sea levels. Warming climate and rising...

Inaugural Day of AI brings new digital...

June 1, 2022

The first annual Day of AI on Friday, May 13 introduced artificial intelligence literacy to classrooms all over the world. An initiative of MIT Responsible AI for Social Empowerment and Education (RAISE), Day of AI is an opportunity for teachers to introduce K-12 students of all backgrounds to artificial intelligence (AI) and its role in their lives. With over 3,000 registrations from educators across 88 countries — far exceeding the first-year goal of 1,000 registrations in the United States...

Engineers develop nanoparticles that cross the blood-brain...

June 1, 2022

There are currently few good treatment options for glioblastoma, an aggressive type of brain cancer with a high fatality rate. One reason that the disease is so difficult to treat is that most chemotherapy drugs can’t penetrate the blood vessels that surround the brain. A team of MIT researchers is now developing drug-carrying nanoparticles that appear to get into the brain more efficiently than drugs given on their own. Using a human tissue model they designed, which accurately replicates...

How the brain responds to surprising events

June 1, 2022

When your brain needs you to pay attention to something important, one way it can do that is to send out a burst of noradrenaline, according to a new MIT study. This neuromodulator, produced by a structure deep in the brain called the locus coeruleus, can have widespread effects throughout the brain. In a study of mice, the MIT team found that one key role of noradrenaline, also known as norepinephrine, is to help the brain learn from surprising...

In bias we trust?

June 1, 2022

When the stakes are high, machine-learning models are sometimes used to aid human decision-makers. For instance, a model could predict which law school applicants are most likely to pass the bar exam to help an admissions officer determine which students should be accepted. These models often have millions of parameters, so how they make predictions is nearly impossible for researchers to fully understand, let alone an admissions officer with no machine-learning experience. Researchers sometimes employ explanation methods that mimic...

SMART researchers enable early-stage detection of microbial...

May 31, 2022

Researchers from the Singapore-MIT Alliance for Research and Technology (SMART), MIT’s research enterprise in Singapore, have identified a critical quality attribute (CQA) that potentially allows the development of a rapid and sensitive process analytical technology for sterility. Specifically, this technology enables the detection of early-stage microbial contamination in human cell therapy products (CTPs). Cell therapy represents one of the most advanced biotechnology revolutions in medicine, with strong potential to repair damaged tissues and treat a range of conditions such...

Convenience-sized RNA editing

May 31, 2022

Last year, researchers at MIT’s McGovern Institute for Brain Research discovered and characterized Cas7-11, the first CRISPR enzyme capable of making precise, guided cuts to strands of RNA without harming cells in the process. Now, working with collaborators at the University of Tokyo, the same team has revealed that Cas7-11 can be shrunk to a more compact version, making it an even more viable option for editing the RNA inside living cells. The new, compact Cas7-11 was described May...

“Zoom out”: Kealoha Wong ’99 calls on...

May 31, 2022

On Saturday, poet Kealoha Wong ’99 delivered the address at a special Commencement ceremony for the classes of 2020 and 2021, asking the graduates to look both outward and inward. He urged them to widen their perspective on life and recognize the enormity of human history and our natural world, but also to look into their hearts and grasp every opportunity to find meaning in their lives. “We are nobody/ and yet at the same time/ we are everything,”...

Joel Moses, Institute Professor Emeritus and computer...

May 31, 2022

Institute Professor Emeritus Joel Moses PhD ’67, an innovative computer scientist and dedicated teacher who held multiple leadership positions at MIT, died on May 29 after a long battle with Alzheimer’s and Parkinson’s diseases. He was 80 years old. Moses, a professor in the Department of Computer Science and Electrical Engineering and the former Engineering Systems Division, served as associate department head, department head, dean of engineering, and provost during his distinguished career. “Our community will forever be grateful...

MIT engineers boost signals from fluorescent sensors

May 30, 2022

Fluorescent sensors, which can be used to label and image a wide variety of molecules, offer a unique glimpse inside living cells. However, they typically can only be used in cells grown in a lab dish or in tissues close to the surface of the body, because their signal is lost when they are implanted too deeply. MIT engineers have now come up with a way to overcome that limitation. Using a novel photonic technique they developed for exciting...

“The world needs your smarts, your skills,”...

May 27, 2022

On a clear warm day, the MIT graduating class of 2022 gathered in Killian Court for the first in-person commencement exercises in three years, after two years of online ceremonies due to the Covid-19 pandemic. Ngozi Okonjo-Iweala MCP ’78, PhD ’81, director-general of the World Trade Organization, delivered the Commencement address, stressing the global need for science-informed policy to address problems of climate change, pandemics, international security, and wealth disparities. She told the graduates: “In these uncertain times, in...

President L. Rafael Reif’s charge to the...

May 27, 2022

Below is the text of President L. Rafael Reif’s Commencement remarks, as prepared for delivery today. To the graduates of 2022: Congratulations! My job today is to deliver a “charge” to you… and I will get to that in a minute. But first, I want to recognize the people who helped you charge this far! To everyone who came here this morning, to celebrate our graduates – welcome to MIT! To everyone joining us online, from around the world – we...

New light-powered catalysts could aid in manufacturing

May 27, 2022

Chemical reactions that are driven by light offer a powerful tool for chemists who are designing new ways to manufacture pharmaceuticals and other useful compounds. Harnessing this light energy requires photoredox catalysts, which can absorb light and transfer the energy to a chemical reaction. MIT chemists have now designed a new type of photoredox catalyst that could make it easier to incorporate light-driven reactions into manufacturing processes. Unlike most existing photoredox catalysts, the new class of materials is insoluble,...

Frank Wilczek receives 2022 Templeton Prize

May 26, 2022

Nobel Prize-winning theoretical physicist and author Frank Wilczek, the Herman Feshbach Professor of Physics at MIT, has been awarded the 2022 Templeton Prize. This prize is awarded to individuals whose life’s work embodies a fusion of science and spirituality. “He is one of those rare and wonderful individuals who bring together a keen, creative intellect and an appreciation for transcendent beauty,” says Heather Templeton Dill, president of the John Templeton Foundation, in the foundation’s press release. “Like Isaac Newton...

Magma beneath tectonic collision zones is wetter...

May 26, 2022

A new study by geologists at the Woods Hole Oceanographic Institution (WHOI), MIT, and elsewhere has found that colliding continental plates may draw down more water than previously thought. The results could help to explain the explosiveness of some volcanic eruptions, as well as the distribution of ore deposits such as copper, silver, and gold. The findings are based on an analysis of ancient magmatic rocks recovered from the Himalayan mountains — a geologic formation that is the product...

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