Antibody tests for SARS-CoV-2 are hard to interpret. Many health experts agree that the tests, which search a blood sample for signs of past infection, are key to reopening the economy, calculating the true death rate of Covid-19, and estimating how close we may be to “herd immunity.”But the results can be misleading, even when…
10 min read The following story contains spoilers for Lanterns through episode 6. AT THE CLIMAX of 2025’s Superman, a little boy begs the Man of Steel to come and save his countrymen from the forces of an invading military. The boy gets saved, but not by the Last Son of Krypton. Instead, an emerald
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