Sarah Crespi
Science Magazine
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Past articles by Sarah:
Does Botox combat depression, the fruit fly sex drive, and a series on race and science
On this week’s show: Debate over whether preventing frowns with Botox beats back depression, how the fruit fly mating drive gets turned on, and we kick off a six-part series on race and science → Read More
Measuring earthquake damage with cellphone sensors and determining the height of the ancient Tibetan Plateau
On this week’s show: cheap sensors that can monitor a building’s structural integrity after an earthquake, and a new method to determine the paleoelevation of the Tibetan Plateau → Read More
Spotting slavery from space, and using iPads for communication disorders
On this week’s show: We go to the AAAS annual meeting to talk communication disorders, we use satellites to spy on modern slavery, and we read a book on the neuroscience of addiction → Read More
How far out we can predict the weather, and an ocean robot that monitors food webs
On this week’s show: Chaos puts a limit on how far out we can predict weather, and why researchers are using autonomous robots to sample phytoplankton off of Norway’s coast → Read More
Possible potato improvements, and a pill that gives you a jab in the gut
On this week’s show: Can we improve the potato? Plus, a pill that flips over and injects medicine in the stomach → Read More
A mysterious blue pigment in the teeth of a medieval woman, and the evolution of online master’s degrees
On this week’s show: why Massive Open Online Courses now offer professional master’s degree programs, and how a blue pigment in the dental plaque of a medieval woman alludes to women’s early involvement in manuscript production → Read More
The universe’s star formation history and a powerful new helper for evolution
On this week’s show: a different approach to determining when stars formed, and color-changing lizard and toxin-resistant yeast point to “plastic” form of adaptation → Read More
Exploding the Cambrian and building a DNA database for forensics
On this week’s show: A fossil excavation site that’s helping crack the Cambrian explosion, and would a universal DNA database for law enforcement be better than what we have now? → Read More
A big increase in monkey research and an overhaul for the metric system
On this week’s show: Record numbers of monkeys are being used in labs, and the metric system is set to be transformed → Read More
Children sue the U.S. government over climate change, and how mice inherit their gut microbes
On this week’s show: Children put climate change on trial in U.S. courts, and the surprising fidelity of gut microbes passed down 10 generations → Read More
Mutant cells in the esophagus, and protecting farmers from dangerous pesticide exposure
On this week’s show: what we can learn from non–cancer-causing mutations in the esophagus, and how to protect farmers from dangerous pesticide exposure → Read More
The future of PCB-laden orca whales, and doing genomics work with Indigenous people
On this week’s show: Modeling the future of killer whales exposed to PCBs, Indigenous people tackle genomics projects on their own terms, and our monthly books segment → Read More
Metaresearchers take on meta-analyses, and hoary old myths about science
On this week’s show: visiting the trenches in the meta-analysis wars, and debunking myths about science → Read More
The youngest sex chromosomes on the block, and how to test a Zika vaccine without Zika cases
On this week’s show: finding the strawberry’s sex-determining genes and testing the effectiveness of a Zika vaccine by intentionally infecting people → Read More
Should we prioritize which endangered species to save, and why were chemists baffled by soot for so long?
On this week’s show: How should we prioritize which endangered species to save, and how can complex molecules like soot assemble inside a flame? → Read More
Ancient volcanic eruptions, and peer pressure—from robots
On this week’s show: how finding a date for an ancient volcanic eruption may affect all radiocarbon calculations, and how robots might exert peer pressure on kids → Read More
Liquid water on Mars, athletic performance in transgender women, and the lost colony of Roanoke
On this week’s show: Radar readings from Mars suggest a large lake of water under one of the polar ice caps, how gender transition affects an athlete’s physiology and performance, and Andrew Lawler’s book The Secret Token: Myth, Obsession, and the Search for the Lost Colony of Roanoke → Read More
A polio outbreak threatens global eradication plans, and what happened to America’s first dogs
On this week’s show: A vaccine-derived polio outbreak in the Democratic Republic of the Congo leads to tough choices for public health experts, and new evidence points to Siberian origins for America’s first dogs. → Read More
The first midsize black holes, and the environmental impact of global food production
On this week’s show: A search through an archive of galaxy spectra reveals long-sought—but never detected—medium-size black holes, and a comprehensive survey of global food production shows how we can lessen its environmental impact → Read More
Sketching suspects with DNA, and using light to find Zika-infected mosquitoes
On this week’s show: analyzing DNA from crime scenes to predict a suspect’s looks, and detecting Zika in mosquitoes on the cheap → Read More