Mammal diversity exploded immediately after dinosaur extinction

The diversity of mammals on Earth exploded straight after the dinosaur extinction event, according to UCL researchers. New analysis of the fossil record shows that placental mammals, the group that today includes nearly 5000 ...

Barcelona city hall fines Airbnb, Homeaway

Barcelona's left-wing city hall said Monday it had slapped home rental websites Airbnb and HomeAway with a fine of 60,000 euros ($65,000) each for marketing lodgings in the Spanish city that lacked permits to host tourists.

The scientific benefits of Rudolph's red nose

We're all familiar with the story of Rudolph the Red-Nosed Reindeer by Robert L. May (a class of 1926 Dartmouth alumnus) but scientifically speaking, what are the optical benefits of a shiny red nose on a foggy Christmas ...

NASA team moves closer to building a 3-D printed rocket engine

A NASA team moved a step closer to building a completely 3-D printed, high-performance rocket engine by manufacturing complex engine parts and test firing them together with cryogenic liquid hydrogen and oxygen to produce ...

Study explains the worldwide variation in plant life-histories

University of Exeter ecologist Dave Hodgson works with other academics to manage a plant database called COMPADRE that brings together demographic information about plant species. This database has been used to show plant ...

New hybrid electrolyte for solid-state lithium batteries

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a novel electrolyte for use in solid-state lithium batteries that overcomes many of the problems that plague ...

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