The amphibians' saliva is what's known as a "shear-thinning fluid," like ketchup—sometimes thick, sometimes thin and flowing. Christopher Intagliata reports.
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Yesterday
Nobel winners, neutrino detectors and nature’s longest-living tortoise
This week’s science news roundup unpacks the 2026 Nobel Prizes—from controlling brain cells with flashes of light to catching ghostly neutrinos from distant galaxies in Antarctic ice to building mirror-image molecules one at a time. Plus, we meet Jonathan, a 194-year-old tortoise ... Show More
11m 2s
Oct 9
The doctor fighting for pain-free IUDs
In this episode of Science Quickly, Rachel Feltman speaks with Helena Kopp Kallner, an ob-gyn and a professor, about her promising new study that shows local anesthetic can reduce pain during placements of intrauterine devices (IUDs). These devices are one of the most effective a ... Show More
18m 43s
Nov 2025
Why your blood should flow like ketchup | Sean Farrington
Your blood should have more in common with ketchup than just color, says chemical engineer Sean Farrington. Demonstrating the flow of everyday products like shampoo, peanut butter and ketchup, he makes the case for expanding the use of blood viscosity as a medical diagnostic, muc ... Show More
11m 24s
