“Burying your head in the sand” is an idiom that means to avoid or ignore a difficult situation. (Image credit: Martin Harvey/Getty Images) For centuries, ostriches (Struthio species) have been thought to bury their heads in the sand when threatened.…
An artistic illustration of three black holes. (Image credit: Shutterstock) Astronomers have used the Dark Energy Spectroscopic Instrument (DESI) to identify vast numbers of black holes, many of which represent rare “missing links” in the evolution of cosmic giants. The…
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(Image credit: Witthaya Prasongsin/Getty Images) Intel engineers hope that new reference designs for modular computers could lead to laptops and mini-PCs that are easy to repair and help reduce electronic waste. A major manufacturer has shown off its plans to…
One of the largest protests, Earth Day 1970 (Photo credit: Credit/ Bettmann) Jump to: Indian Farmers Protest (2020-2021) George Floyd and Black Lives Matter (2020) Women's March (2017) Protests against the Iraq War (2003) Tiananmen Square (1989) The Baltic Way…
A NASA satellite image showing melting glaciers in Alaska. (Image credit: NASA Earth Observatory/Wanmei Liang) New satellite images illustrate the rapid pace of global warming in Alaska, with last year's snow gone, leaving vast swaths of bare land. Images from…