• Thu. Sep 23rd, 2021

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Birds flocked to North American cities during covid-19 lockdowns

By Alice Klein Geese in Central Park, New York City Shutterstock / John A. Anderson As human movements were restricted to limit the spread of covid-19 in early 2020, dozens…

Dinosaurs may have waggled their tails to help walk more efficiently

By Cameron Duke When bipedal dinosaurs walked, they probably strode with a swagger, swishing their tails up and down for the same reason humans swing their arms when they walk.…

How can we prevent and reduce food waste?

When you think of the most significant emitters of greenhouses gases, images of car exhausts and power stations usually spring to mind. However, one less appreciated, but hugely important, source…

Biden, Macron to meet in person amid submarine tension – NBC News

WASHINGTON — President Joe Biden spoke Wednesday with French President Emmanuel Macron as the United States looked to stem the fallout from France’s fury over a deal to sell nuclear-powered…

Bipartisan Police-Overhaul Talks End With No Deal – The Wall Street Journal

WASHINGTON—Bipartisan talks aimed at overhauling police tactics and accountability have ended with no agreement, the top Democratic negotiator said, with lawmakers unable to reach a compromise following nationwide protests sparked…

Why covid-19 hospitalisations may soar in England despite vaccination

An arrival at the Royal London Hospital earlier this month Mark Thomas/Alamy Live News PEOPLE in England who thought the pandemic was all but over had a rude awakening last…

Families Of Jelani Day And Daniel Robinson, Missing For Weeks, Push For Answers – NPR

Law enforcement agencies are continuing their search in the a Sarasota County, Fla., nature reserve for Brian Laundrie, a person of interest in the death of Gabby Petito. The families…

Story of epic human voyages across Polynesia revealed by genetics

By Jason Arunn Murugesu Polynesian sacred idol statue on Raivavae island, Polynesia Dmitry Malov/Alamy A genetic study has helped shine a light on how the Polynesian islands of the central…

Tiny sensors inspired by gliding seeds could monitor the environment

By Michael Le Page The microgliders are smaller than a ladybird Northwestern University Tiny wireless sensors inspired by floating seeds could be used to measure environmental factors such as pH…

4D-printed robot self-assembles into a tube and rolls up hills

By Krista Charles [embedded content] A simple tube-shaped “4D-printed robot” can roll uphill, carry a load and navigate an unpredictable landscape. Wei Feng at Tianjin University in China and his colleagues…