How Many Universes Are There?

M.I.T. physicist Alan Guth has suggested that new universes—known as "pocket universes"— are constantly being created, but they cannot be seen from our universe.

Modern cosmology theory holds that our universe may be just one in a vast collection of universes known as the multiverse. In this view, "nature gets a lot of tries—the universe is an experiment that’s repeated over and over again, each time with slightly different physical laws, or even vastly different physical laws," says Jaffe. Some of these universes would collapse instants after forming; in others, the forces between particles would be so weak they could not give rise to atoms or molecules.

An ancient structure visible from space isn’t man-made

Long hidden under trees, it's utterly massive

(Roy Funch)
Surprising Science
  • This 4,000-year-old structure can be seen from space and wasn't built by humans
  • It's made up of 200 million mounds of earth
  • It's still under construction today
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Antimicrobial resistance is a growing threat to good health and well-being

Antimicrobial resistance is growing worldwide, rendering many "work horse" medicines ineffective. Without intervention, drug-resistant pathogens could lead to millions of deaths by 2050. Thankfully, companies like Pfizer are taking action.

Image courtesy of Pfizer.
Sponsored
  • Antimicrobial-resistant pathogens are one of the largest threats to global health today.
  • As we get older, our immune systems age, increasing our risk of life threatening infections. Without reliable antibiotics, life expectancy could decline for the first time in modern history.
  • If antibiotics become ineffective, common infections could result in hospitalization or even death. Life-saving interventions like cancer treatments and organ transplantation would become more difficult, more often resulting in death. Routine procedures would become hard to perform.
  • Without intervention, resistant pathogens could result in 10 million annual deaths by 2050.
  • By taking a multi-faceted approach—inclusive of adherence to good stewardship, surveillance and responsible manufacturing practices, as well as an emphasis on prevention and treatment—companies like Pfizer are fighting to help curb the spread.
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How Christians co-opted the winter solstice

Christmas has many pagan and secular traditions that early Christians incorporated into this new holiday.

Saturnalia by Antoine Callet
Culture & Religion
  • Christmas was heavily influenced by the Roman festival of Saturnalia.
  • The historical Jesus was not born on December 25th as many contemporary Christians believe.
  • Many staple Christmas traditions predated the festival and were tied into ancient pagan worship of the sun and related directly to the winter solstice.
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