A biologist explains where proteins come from and what role the 20,000 or so proteins in your body play in keeping you alive and kicking.
Jan. 13, 2021 • ~5 min
biology proteins amino-acids curiosity-question
Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.
Jan. 12, 2021 • ~5 min
internet electromagnetic-spectrum wi-fi radio-waves curiosity electromagnetic-waves
An electrical engineer explains how smoke detectors work, and how to reduce the chances of a false positive.
Jan. 8, 2021 • ~5 min
curiosity electrical-engineering curiosity-question multimedia fire-safety
What is a margin of error? This statistical tool can help you understand vaccine trials and political polling
Whether you are predicting the outcome of an election or studying how effective a new drug is, there will always be some uncertainty. A margin of error is how statisticians measure that uncertainty.
Jan. 6, 2021 • ~5 min
mathematics statistics predictions drug-development curiosity polls political-polling scientific-studies vaccine-efficacy
You're working out, feeling great – until your stomach starts to churn and you're sidelined with a bout of nausea. Here's what's happening in your body and how to avoid this common effect of exercise.
Dec. 29, 2020 • ~7 min
exercise fight-or-flight nausea physiology digestive-system curiosity physical-exercise hydration blood-flow gastrointestinal-problems gastrointestinal-symptoms
Parthenogenesis, a form of reproduction in which an egg develops into an embryo without being fertilized by sperm, might be more common than you realized.
Dec. 15, 2020 • ~6 min
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Sensors are everywhere, from your phone to your medicine cabinet. Here's how they turn events in the physical world into words and numbers.
Dec. 7, 2020 • ~4 min
engineering physics chemistry sensors biosensors curiosity electrical-engineering
Archaeologists used to dig primarily at sites that were easy to find thanks to obvious visual clues. But technology – and listening to local people – plays a much bigger role now.
Dec. 4, 2020 • ~10 min
architecture archaeology citizen-science maya lidar remote-sensing indigenous-knowledge curiosity belize archaeologists excavation archaeological-dig land-surveying traditional-indigenous-knowledge