There never was a male fertility crisis

A new study suggests that reports of the impending infertility of the human male are greatly exaggerated.

  • A new review of a famous study on declining sperm counts finds several flaws.
  • The old report makes unfounded assumptions, has faulty data, and tends toward panic.
  • The new report does not rule out that sperm counts are going down, only that this could be quite normal.
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Over 40% of workers are considering quitting their jobs

A year of disruptions to work has contributed to mass burnout.

Mark Wilson/Getty Images
  • Junior members of the workforce, including Generation Z, are facing digital burnout.
  • 41 percent of workers globally are thinking about handing in their notice, according to a new Microsoft survey.
  • A hybrid blend of in-person and remote work could help maintain a sense of balance – but bosses need to do more.
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Could flickering lights fight Alzheimer's? Early research looks promising

An early feasibility study finds a potential new treatment for Alzheimer's disease.

Photo by N Kamalov on Unsplash

For the past few years, Annabelle Singer and her collaborators have been using flickering lights and sound to treat mouse models of Alzheimer's disease, and they've seen some dramatic results.

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My UFO experience

Like Fox Mulder, people have a lot of strong opinions about UFOs.

Credit: adimas / 143621171 via Adobe Stock
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  • Extraordinary claims, such as that UFOs have visited our planet or that aliens exist, require extraordinary evidence.
  • Personal testimonies are simply insufficient to conclude that UFOs and aliens are real.
  • Good luck having a rational conversation about it with anyone on Twitter.
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Credit: AFP via Getty Images
Technology & Innovation
  • Robert Koch proved that microbes cause infectious diseases and famously identified the etiological agents of anthrax, tuberculosis, and cholera.
  • Louis Pasteur proved that life does not spontaneously generate from non-living material, made a significant advance in chemistry, invented pasteurization, and revolutionized vaccines.
  • Koch and Pasteur had a bitter rivalry over the invention of the anthrax vaccine.
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These 1,000 hexagons show how global wealth is distributed

A cartogram makes it easy to compare regional and national GDPs at a glance.

Europe's economic landscape: an excerpt from the nominal GDP world map.

Credit: BerryBlue_BlueBerry, reproduced with kind permission
Strange Maps
  • On these maps, each hexagon represents one-thousandth of the world's economy.
  • That makes it easy to compare the GDP of regions and nations across the globe.
  • There are versions for nominal GDP and GDP adjusted for purchasing power.
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