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March 20, 2025
Greetings, and happy first day of spring to those in the Northern Hemisphere! 🌼 Here’s the latest from the MIT community.
 
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Life’s First Catalysts
By studying enzymes that perform evolutionarily ancient reactions, Associate Professor Dan Suess hopes to find solutions to global energy challenges. He’s interested in reactions that are “occurring on the microscopic scale but happening on a huge scale” around the world.
Top Headlines
3D printing approach strings together dynamic objects for you
The “Xstrings” method enables users to produce cable-driven objects, automatically assembling bionic robots, sculptures, and dynamic fashion designs.
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A dive into the “almost magical” potential of photonic crystals
In MIT’s 2025 Killian Lecture, physicist John Joannopoulos recounts highlights from a career at the vanguard of photonics research and innovation.
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Evidence that 40Hz gamma stimulation promotes brain health is expanding
A decade of studies provide a growing evidence base that increasing the power of the brain’s gamma rhythms could help fight Alzheimer’s, and perhaps other neurological diseases.
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#ThisisMIT
In the Media
NASA shares photos of Needham-native Suni Williams, crewmates arriving in Houston // WCVB-TV
Ariel Ekblaw SM ’17, PhD ’20, founder of the MIT Space Exploration Initiative, discusses the successful return to Earth of NASA astronauts Suni Williams and Butch Wilmore — who landed safely on Tuesday along with Nick Hague SM ’00 and Aleksandr Gorbunov — and the impact of nine months in space on the human body. “When you’re living in a long-duration microgravity mission, you do lose some of your muscle mass,” Ekblaw explains. “Your heart weakens because it’s not having to pump your blood against the force of gravity. And even funny things like your eyesight can change because the shape of your eyeball is a little different in microgravity.”
Verse
What charms does Nature at the spring put on,
When hedges unperceived get stain’d in green;
When even moss, that gathers on the stone,
Crown’d with its little knobs of flowers is seen;
And every road and lane, through field and glen,
Triumphant boasts a garden of its own.
In spite of nipping sheep, and hungry cow,
The little daisy finds a place to blow:
And where old Winter leaves her splashy slough,
The lady-smocks will not disdain to grow;
And dandelions like to suns will bloom,
Aside some bank or hillock creeping low;--
Though each too often meets a hasty doom
From trampling clowns, who heed not where they go.

—“Spring.” by John Clare
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