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Experts in the News
Have you ever noticed how a particular song can bring back a flood of memories? Maybe it’s the tune that was playing during your first dance, or the anthem of a memorable road trip. People often think of these musical memories as fixed snapshots of the past. But recent research suggests music may do more than just trigger memories – it might even change how you remember them.
In this article, Ph.D. student in the School of Psychology Yiren Ren discusses recently published research, which has uncovered intriguing connections between music, emotion, and memory.
(This story also appeared at The Washington Post.)
The Conversation December 2, 2024Fairchild Tropical Botanic Garden may look serene at first glance, but beneath the resplendent orchids and majestic banyans, two invasive lizards are waging a turf war.
The war started a few years ago when Cuban brown anoles, who have called South Florida home for about 100 years, came face to face for the first time with a new rival: crested anoles from Puerto Rico.
As the two species, which look almost identical and occupy the same ecological niche, faced off, biologists were able to document who was winning, and more importantly, how quickly the losers were adapting to survive on new turf.
A new study published in Nature Communications by researchers, including School of Biological Sciences Assistant Professor James Stroud, reveals that the losing species is adapting at a rapid pace, changing their behavior, but also their bodies. This fast adaptation is altering what we know about how evolution works.
Sun Sentinel December 1, 2024Environmental journalist and author Ben Goldfarb reveals the story of how one biologist spread a non-native species of lizard across the Northeast. According to Goldfarb, Queens College professor of biology Jon Sperling secretly captured, bred, and released Italian wall lizards for many years.
“Regardless of how much you love lizards—and I love lizards a lot—you can’t do that,” says James Stroud, assistant professor in the School of Biological Sciences. “They are incredible organisms to watch, and they’re beautiful. I can understand his perspective, but I can’t agree with his actions.”
The New Yorker November 16, 2024Last week, Michael Wong and Robert Hazen of the Carnegie Institution for Science welcomed a diverse group of nearly 100 scientists, from microbiology to neuroscience, for a workshop on how complexity emerges and evolves. It was also a referendum on their audacious proposal, which, Wong said in a talk, is “an explanatory framework for the evolution of physical systems writ large, including, but not limited to, biology.”
It’s an appealing idea, says Loren Williams, a professor in the School of Chemistry and Biochemistry who studies the origin of life and attended the workshop. “To me it seems very clear that there is evolution outside of biology.” Take the polypeptide backbone, the chain of molecules that forms the spine of all amino acids, he says. “[Biological] evolution doesn’t touch that, right? It’s the same in everything alive. It always has been. But it’s a product of evolution, I’m convinced.” It’s just that the evolution happened before life began, he says. And so when Hazen and his co-authors proposed their overarching theory, he says, “that just resonated with me.”
Science November 1, 2024DNA samples from one of the world’s largest and oldest plants — a quaking aspen tree (Populus tremuloides) in Utah called Pando — have helped researchers to determine its age and revealed clues about its evolutionary history.
“It’s kind of shocking to me that there hasn’t been a lot of genetic interest in Pando already, given how cool it is,” says study co-author William Ratcliff, an associate professor in the School of Biological Sciences.
By inputting Pando’s genetic data into a theoretical model that plots an organism’s evolutionary lineage, the researchers estimated Pando’s age. They put this at between 16,000 and 80,000 years. “It makes the Roman Empire seem like just a young, recent thing,” says Ratcliff.
(This also appeared at Newsweek and NewScientist.)
Nature November 1, 2024Hurricane Helene hit parts of inland North Carolina and caused flooding and damage in parts of Georgia, both areas not used to these sorts of conditions. Annalisa Bracco, a professor in the School of Earth and Atmospheric Sciences, said climate change is causing extreme weather conditions in places unfamiliar with these disasters.
“In general, [the increase in natural disasters] is telling us that the climate is indeed changing and that climate models have been overall correct in predicting conditions that will exacerbate extreme events, and we are seeing the impacts of that,” Bracco said.
“Temperatures are getting higher and extremes are getting more common: more droughts, more heavy rains, more forest fires, more heat waves, increased storminess, also more strong cold spells in places not used to getting them as strong.”
The Southerner October 29, 2024Your gut is a battleground where rival tribes of bacteria armed with poison darts fight for territory – and these battles are often won by armies of traitors made to switch sides by selfish DNA transferred to them by their enemies.
“Side switching may be more common than we have appreciated,” says Brian Hammer, associate professor in the School of Biological Sciences. The bacterium that causes cholera also constantly produces and fires dart guns. While it has been assumed that this behaviour is costly, last year Hammer’s team showed that strains of Vibrio cholerae that don’t produce T6SSs hardly grow any faster than those that do, suggesting that the cost of going around with guns blazing is surprisingly small.
NewScientist October 24, 2024The 2024 Atlantic hurricane season has been intense, marked by multiple powerful storms hitting the U.S. coast. The season runs from June 1 to November 30, with conditions like warm ocean temperatures and low wind shear fostering storm development. "Storms can intensify fast if they encounter the right conditions and that could happen at any time," says Annalisa Bracco, associate chair and professor in the School of Earth and Atmospheric Sciences. "But we are later in the season, and that means that favorable conditions for fast intensification are less likely than when Milton happened. Wind shear tends to be stronger — on average — at the end of October compared to early September, and sea surface temperatures are on average cooler than in August-September."
Newsweek October 22, 2024Talk about a Halloween treat. Astronomers say a recently discovered comet will be blazing by the Earth in broad daylight just in time for Halloween. Professor James Wray in the School of Earth and Atmospheric Sciences says Comet C/2024 S1, first found at the end of September, will pass around the Earth on Oct. 24. "Look low in the eastern sky just before sunrise,” says Wray. "Then, after swinging around the sun, the comet may reappear in the western night sky right around Halloween.”
Related Coverage: The Times of India, Space.com
New York Post October 21, 2024Extreme weather linked to climate change drives people to rely on familiar but unreliable sources like the Farmers’ Almanac for forecasts, which are only about 52% accurate. In contrast, the National Weather Service (NWS) offers structured long-term forecasts focused on temperature and precipitation. Senior Academic Professional Zachary Handlos in the School of Earth and Atmospheric Sciences says both sources have the same general idea. "They have one or two writers that put out a winter forecast every year,” says Handlos. “I think they keep the identity of the writers a little cryptic. It’s part of the lore of reading it. Both claim that their forecasts are science based. But some of it’s also a mix of what farmers know in terms of intuition, astronomy and things like that. There's a little bit of folklore, which makes it fun.”
Augusta Chronicle October 19, 2024A potential tropical storm, which would be named Nadine, is forming in the central Atlantic with a low chance of developing into a hurricane. It’s expected to pass near the Virgin Islands, Puerto Rico, and the Bahamas, though strong winds may prevent further strengthening. Annalisa Bracco, professor in the School of Earth and Atmospheric Sciences, says very warm sea surface temperature — the engine in terms of energy for the storm to grow — along with low wind shear and low surface salinity, help storms intensify by concentrating the high temperatures near the surface.
Newsweek October 17, 2024Two weeks ago, a facility owned by BioLab in Conyers, Georgia, outside of Atlanta blew up, sending a huge and rancid cloud miles around. It seems the water used to extinguish the fire reacted with pool chemicals in the plant, which made the cloud more noxious. Sally Ng, a professor in the School of Earth and Atmospheric Sciences, says a system known as the Atmospheric Science and Chemistry Measurement Network detected a 1,400-times increase in the amount of chlorine-containing particles in the air, and a 170-times increase in the amount of bromine-containing particles in the air over Decatur.
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