Normally, causal influence is assumed to go only one way—from cause to effect—and never back from…
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A pioneering NASA mini weather satellite ends its mission
After nearly 2.5 years in orbit, a shoebox-size weather satellite phoned home one last time before…
NASA's OSIRIS-REx to fly a farewell tour of Bennu
On April 7, NASA’s OSIRIS-REx mission will give asteroid Bennu one last glance before saying farewell.…
New factor in the carbon cycle of the Southern Ocean identified
Plankton are small organisms that drift with the currents in the seas and oceans. Despite their…
Coronavirus: Bat virus hunters find new evidence
Experts say coronaviruses related to Sars-CoV-2 may be found in bats across many parts of Asia. …
The invisible killer lurking in our consumer products
Consumer products such as food, cosmetics and clothes might be filled with nanomaterials, unbeknownst to us.…
Engineers 3-D-print a miniaturized spectrometer
The miniaturization of spectroscopic measurement devices opens novel information channels in medical science and consumer electronics.…
To confront climate change, we need to understand the environmental footprint of global supply chains
In 2020, the COVID-19 pandemic upended international trade. Countries shut their borders, breaking the webs of…
Researchers report fastest purification of astatine-211 needed for targeted cancer therapy
In a recent study, Texas A&M University researchers have described a new process to purify astatine-211,…
La Nina climate cycle has peaked: UN
The 2020-2021 La Nina phenomenon has passed its peak, the UN weather agency said Tuesday, but…