Technical Glitch or Ghosts: What Has This TikToker’s Tesla Detected in an Abandoned Graveyard? [Fact Check]

Medicine & Technology Apr 06, 2022

A TikToker posted a video of him driving slowly through a graveyard as his Tesla detected an unusual problem. Find out if it is a technical glitch or a ghost.

False Positives in COVID-19 Test Are Alarming, What Causes It?

Jun 07, 2021

False positives could happen even with the RT-PCR test, which is considered the gold standard for testing COVID-19. So what causes a false positive and how often does it happens?

Oxygen False Positives: Study Shows Ways to Get Oxygen in Lifeless Atmosphere

Apr 14, 2021

A new study shows a number of scenarios in which a rocky planet surrounding a sun-like star could evolve to have oxygen within its atmosphere.