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| These male spiders catapult at impressive speeds to flee their mates before they get eaten Posted: 25 Apr 2022 09:11 AM PDT After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report. Using a mechanism that hadn't been described before, the male spiders use a joint in their first pair of legs to immediately undertake a split-second catapult action, flinging themselves away from their partners at impressive speeds clocked at up to 88 centimeters per second (cm/s). |
| Scientists have discovered how bloodworms make their unique copper teeth Posted: 25 Apr 2022 09:11 AM PDT Bloodworms are known for their unusual fang-like jaws, which are made of protein, melanin, and concentrations of copper not found elsewhere in the animal kingdom. Scientists have observed how these worms use copper harvested from marine sediments to form their jaws, and the process may be even more unusual than the teeth themselves. |
| Scientists model landscape formation on Titan, revealing an Earth-like alien world Posted: 25 Apr 2022 07:49 AM PDT A new hypothesis reveals that a global sedimentary cycle driven by seasons could explain the formation of landscapes on Saturn's moon Titan. The research shows the alien world may be more Earth-like than previously thought. |
| New miniature heart could help speed heart disease cures Posted: 22 Apr 2022 03:49 PM PDT A team of engineers, biologists, and geneticists has developed a new way of studying the heart: they've built a miniature replica of a heart chamber from a combination of nanoengineered parts and human heart tissue. |
| Turbulence from spawning fish keeps a healthy circulation in coastal waters Posted: 07 Apr 2022 11:18 AM PDT A new study has shown how fish influence ocean ecosystems in coastal regions, revealing for the first time how they circulate nutrients and oxygen around the waters when they spawn. This process is key to keeping the ecosystems running. |
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