Good morning. It's Tuesday, Nov. 25, and welcome to this week's Science & Technology newsletter. First time reading? Sign up here or click here to share with friends. |
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This week, we're covering Bill Nye. The Emmy-winning television personality turns 70 Thursday, and we're celebrating by taking a look back at his life and how he became a household name in science communication. We're also breaking down everything we know about generative AI and what we've learned about tropical cyclones as we approach the end of the Atlantic hurricane season.
Let us know what you think! Whether it's feedback on our email format, a comment on this week's topics, suggestions for future coverage, or something else, we're happy to hear from readers. You can get in touch by simply replying to this email.
—Marco Machado, 1440 Science & Technology Section Editor |
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Who is Bill Nye?
William Sanford Nye is a science communicator, author, and former mechanical engineer best known for the science education show "Bill Nye the Science Guy." As a science advocate, he has discussed topics such as evolution, climate change, and science education during media appearances.
Born to an American prisoner of war and a World War II codebreaker, Nye earned a bachelor's degree in mechanical engineering from Cornell University in 1977. After graduating, he worked at Boeing, where he invented a hydraulic component to dampen vibrations on the 747 aircraft's yoke. Nye also performed stand-up at night, and, by 1987, did science demonstrations on the sketch comedy show "Almost Live!" Starting in 1993, Nye wrote, produced, and played a fictionalized version of himself for his eponymous show, which aired 100 episodes and won 19 Daytime Emmy Awards (watch here).
As of 2010, Nye is the CEO of The Planetary Society, a nonprofit cofounded by Carl Sagan, his college astronomy professor, to advance space science and exploration.
Also, check out ...
> Winning a Steve Martin look-alike contest led Bill Nye to pursue comedy. (More)
> Bill Nye holds patents for three inventions and designs for a digital abacus. (More)
> Watch Bill Nye's debut as the "Science Guy" on "Almost Live!" (More)
> Learn about Bill Nye's predecessor: Mr. Wizard. (More)
Explore everything else we've found on Bill Nye. |
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Synthetic Content Creation |
Generative AI, explained
Generative AI is a form of artificial intelligence that can mimic human imagination and creativity. The term "generative" refers to models’ ability to generate original content, including text, video, audio, and more.
Text-based generation relies on large language models that have been trained on massive datasets of public text. These models identify patterns in the sequence of words and create responses one word at a time, resembling an advanced autocomplete tool (see visualization). Tools that generate images and videos rely on a single system—the generator—producing data that resembles training data, while a second system—a discriminator—distinguishes between generated data and training data. Both systems compete until the discriminator is unable to differentiate between the two sets of data successfully (learn more).
As of October 2025, approximately 800 million people use ChatGPT weekly, and new media-generating tools are being introduced daily, increasing the risk of bad actors using them to create disinformation and propaganda (learn more).
Also, check out ...
> Generative AI tools excel at pattern recognition, not contextual accuracy. (More)
> Enforcement of copyright law has the potential to collapse the AI industry. (More)
> How can a computer discriminate? (More)
> Explore a gallery of creations from OpenAI's text-to-image generator. (More)
Explore everything else we've found on generative AI. |
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Hurricanes, 101
Hurricanes are examples of tropical cyclones—rotating, low-pressure storm systems with winds exceeding 74 mph (119 kph). They form between the Caribbean Sea and West Africa, as well as in the warm waters west of Mexico and Central America (learn why).
All tropical cyclones consist of a central eye with no extreme weather, a violent eyewall of intense winds funneling warm, moist air upward, and spiraling rainbands composed of clouds and thunderstorms (see diagram). The water in the air releases energy when it condenses, which is used to accelerate wind speeds and provide a continuous supply of storm clouds until landfall. Able to grow to over 1,600 kilometers (1,000 miles) in diameter, tropical cyclones can unleash multiple feet of rain and storm surges. In a single day, they can release 200 times the amount of electrical energy generated on Earth in the same span.
Hurricanes are categorized by maximum sustained winds on the Saffir-Simpson scale and have caused over $1.5T in damage from 1980 to 2024.
Also, check out ...
> No extreme weather takes place within a hurricane's eye. (More)
> Hurricane conditions are created in a University of Miami wind-wave tank. (More)
> How scientists predict hurricane trajectories with the cone of uncertainty. (More)
> Why do hurricanes spin? (More)
Explore everything else we've found on hurricanes. |
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Like all great scientists, we love spending time researching the latest scientific breakthroughs, tech releases, engaging explainers, and the connections between science and society that are making headlines. Here's what we found this week.
> Cosmic dust reveals historical sea ice coverage
UW News | Gillian Dohrn. Ice at the sea surface blocks cosmic dust from reaching the seafloor, while open water allows cosmic dust to settle into sediment. By analyzing the amount of cosmic dust in sediment cores from three sites, researchers have reconstructed the history of sea ice for the past 30,000 years. (Read)
> Researchers demonstrate AI at the speed of light
Aalto University | Yufeng Zhang and Zhipei Sun. Instead of relying on microchips to perform complex, energy-intensive calculations, the technique involves encoding digital data into the amplitude and phase of light waves. When these waves interact and combine, they naturally carry out mathematical operations at light speed. (Read)
> Formulating a new theory of molecular evolution
Michigan News | Morgan Sherburne. The previous model suggested bad genetic mutations were discarded through natural selection, while good and neutral ones remained, but data suggested this model overestimates this fixation of mutations. The new model incorporates environmental changes, which occur on timescales much shorter than full adaptation, shifting the categorization of mutations. (Read)
> High-precision observations of intracellular DNA and RNA using infrared light
National Institute for Materials Sciences | Staff. Researchers used two types of harmless excitation light and fluorescent dye probes to separately bind to DNA and RNA, allowing them to assess DNA damage and reveal that RNA imaging provides higher sensitivity for predicting early stages of cell damage and aging. (Read)
> Overcoming chaotic structure to help design next-generation light devices
University of Cambridge | Staff. Scientists have achieved a new level of control over the atomic structure of a family of materials known as halide perovskites—long touted as potential replacements for silicon—creating a finely tuned "energy sandwich" that could transform how solar cells, LEDs, and lasers are made. (Read) |
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