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Cooking without fire

How did early humans prepare food before they mastered the use of fire? Research led by Earth, Atmospheric, and Planetary Sciences professor Roger Summons has raised the intriguing possibility that they took advantage of hot springs for boiling.  Studying sediments deposited around 1.7 million years ago near Olduvai Gorge in Tanzania, where anthropologists have discovered […]

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Sustaining our mission, shaping the conversation

Looking back to the start of the pandemic, I am struck by our community’s formidable strength. In March 2020, we did not know what it would take to sustain MIT’s great mission through this crisis. Since then, we have found a way together, and we have made it work. That accomplishment belongs to every member […]

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Slowing the spread

From the choir rehearsal in Washington to family gatherings in Chicago, numerous covid-19 “superspreading” events have seen one person infect many others. MIT researchers who studied about 60 such events found that they have a much larger impact than expected.  “Superspreading events are likely more important than most of us had initially realized,” says senior […]

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The machines that get walnuts from trees to your mouth

Hal CrainOwner, Crain Ranch nut farm and processing facilityLos Molinos, California I woke up at 4:30 today. Right now, the end of September, this is right in the middle of walnut harvest season. I’m still wearing my work clothes every day, going out into the field every day.  This story is one of a series […]