If we do one day discover life on Mars, it may be difficult to tell whether it originated there or drifted over from another planetary body.
Clumps of bacteria could spread life between planets|Paola Rosa-Aquino|August 27, 2020|Popular Science
Scientists still debate whether the SARS-CoV-2 virus originated in a bat or a pangolin.
Can Vaccines for Wildlife Prevent Human Pandemics?|Rodrigo Pérez Ortega|August 24, 2020|Quanta Magazine
A conspiracy theory website, Gateway Pundit, spread the allegations, which originated with a group called My Party Was Changed Oregon.
For Election Administrators, Death Threats Have Become Part of the Job|by Jessica Huseman|August 21, 2020|ProPublica
Perhaps the most exciting possibility is that this FRB and others may originate from magnetars—a still-mysterious type of neutron star thought to have an extremely powerful magnetic field.
A strange rhythm in space|Katie McLean|August 19, 2020|MIT Technology Review
Many viruses, of course, originate in populations of wild animals that evolved to withstand their negative impacts.
3-D Printed Statues in Central Park Shine a Light on Women Scientists - Facts So Romantic|Mary Ellen Hannibal|August 18, 2020|Nautilus
But where do air pollutants in northern China, in particular Beijing, originate?
The Chinese Can’t Catch Their Breath|Brendon Hong|May 5, 2014|DAILY BEAST
And aside from that, it was likely unconstitutional because bills that raise revenue must originate in the House.