Science & Technology

a pile of colorful abstract strings

Making sense of string theory

A Q&A with theoretical physicists Mirjam Cvetic and Ling Lin about what string theory is and how their recent discovery of a “quadrillion solutions” might change the course of the field.

Erica K. Brockmeier ・

Time lapse photo of green circle shows a progressively larger cleared off area where a robot has removed a biofilm

An army of microrobots can wipe out dental plaque

A swarm of microrobots, directed by magnets, can break apart and remove dental biofilm, or plaque, from a tooth, thanks to a partnership led by Dental Medicine’s Hyun (Michel) Koo and Engineering’s Edward Steager.

Katherine Unger Baillie ・

a large group of people in front of the Franklin Institute building with a science demonstration (with smoke and the aftermath of an explosion that caused colored balls to fly into the air) in the foreground

Philadelphia: The new city of science

Penn researchers will be involved in a weeklong series of interactive activities and events across the city as part of the Philadelphia Science Festival.

Erica K. Brockmeier ・

Patricia Corby in an office smiling at the camera

Expanding opportunities to leverage science in the clinic

Patricia Corby, who recently joined the School of Dental Medicine as associate dean for translational research, is bringing her research to bear for cancer patients undergoing radiation, while looking to advance clinical research School-wide.

Katherine Unger Baillie ・

Hands planting a plant.

Protecting the planet at Penn

Earth Day and every day, the University community is at work to make the world a little better. Here are some highlights from those efforts.

Katherine Unger Baillie, Michele W. Berger ・

Astronaut in a space suit on a spacewalk outside the International Space Station.

How a year in space affects the brain

Penn Medicine’s Mathias Basner discusses the NASA Twins Study, which analyzed astronaut Scott Kelly’s physical and mental health after he spent 340 days in space, and found that Kelly’s performance on a cognitive test battery dropped when he returned to Earth for six months.

Michele W. Berger ・

A black cat walking on a walkway

How superstitions spread

Superstitious beliefs may seem irrational, but they catch on in a society. Using an evolutionary approach to studying the emergence of coordinated behaviors, Erol Akçay and Bryce Morsky showed how a jumble of individual beliefs, including superstitions, coalesce into an accepted social norm.

Katherine Unger Baillie ・

Speakers on stage at Perry World House

Tackling climate change on all levels

At the Perry World House Global Shifts Colloquium, experts from around the world discussed what governments, and individuals, can do to avoid the ultimate catastrophe.

Gwyneth K. Shaw



In the News


Associated Press

Here’s why experts don’t think cloud seeding played a role in Dubai’s downpour

Michael Mann of the School of Arts & Sciences says that many people blaming cloud seeding for Dubai storms are climate change deniers trying to divert attention from what’s really happening.

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Big Think

Can we stop AI hallucinations? And do we even want to?

Chris Callison-Burch of the School of Engineering and Applied Science says that auto-regressive generation can make it difficult for language learning models to perform fact-based or symbolic reasoning.

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Salon.com

“Record-shattering” heat wave in Antarctica — yep, climate change is the culprit

Michael Mann of the School of Arts & Sciences says that persistent summer weather extremes like heat waves are becoming more common as people continue to warm the planet with carbon pollution.

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CNET

How the solar eclipse will affect solar panels and the grid

Benjamin Lee of the School of Engineering and Applied Science says that the electrical grid will have to figure out how to match supply and demand during brief windows where the energy source goes away.

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Sydney Morning Herald (Australia)

Scientists struggle to explain ‘really weird’ spike in world temperatures

Michael Mann of the School of Arts & Sciences says that tendencies to exaggerate climate science in favor of “doomist” narratives helps no one except the fossil fuel industry.

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Vox.com

Spring is here very early. That’s not good

Michael Mann of the School of Arts & Sciences says that plant-flowering, tree-leafing, and egg-hatching are all markers associated with spring that are happening sooner.

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The New York Times

Can your personal medical devices be recycled?

A lab at the School of Engineering and Applied Science led the development of a COVID test made from bacterial cellulose, an organic compound.

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Tampa Bay Times

Could Florida electric bills go up because of a fuel made from manure?

Danny Cullenward of the Kleinman Center for Energy Policy at the Weitzman School of Design says that federal and California state subsidies have led to a gold rush of companies trying to get into the business of renewable natural gas around the country.

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CNBC

Students can soon major in AI at this Ivy League university—it’ll prepare them for ‘jobs that don’t yet exist’

The Raj and Neera Singh Program in Artificial Intelligence at Penn will be the first AI undergraduate engineering major at an Ivy League school, led by George Pappas of the School of Engineering and Applied Science.

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WESA Radio (Pittsburgh)

Pa. environmental, religious and other groups criticize Shapiro plan for ignoring climate change

A study by the Kleinman Center for Energy Policy at the Weitzman School of Design found that Pennsylvania would benefit overall from joining the Regional Greenhouse Gas Initiative.

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