Clade age and extinction time estimates for placental mammal families. Each line represents a family (arranged by order and clade…
Browsing: 지구과학
The mini rotorcraft, which will fly to the Red Planet with the Perseverance rover in early 2021, has survived more…
Access to safe, clean water is a basic human right. But water scarcity or access barriers can cause conflict within…
An artist’s rendering of a Jurassic plesiosaur. Fossils from a plesiosaur discovered in West Texas are the only fossils from…
Credit: NASA, ESA, CSA, STScI, Matt Tiscareno (SETI Institute), Matt Hedman (University of Idaho), Maryame El Moutamid (Cornell University), Mark…
The relative percentage difference in rainfall occurrence for the traditional and new identification methods as a function of liquid water…
About 415,000 African elephants live in the wild, according to the WWF. Credit: By Beks on Unsplash Ivory from an…
Credit: Julian Baum The search for planets outside our solar system—exoplanets—is one of the fastest growing fields in astronomy. In…
Field-view of a rare lawsonite eclogite in Guatemala. This unique variety of eclogite exhibits unique water storage capabilities due to…
Cryptospores from the Llandoverian (early Silurian) Kalpintag Formation, southern Xinjiang (Scale bar is 10μm for all images). Credit: NIGPAS The…