Did our early ancestors boil their food in hot springs?

Scientists have found evidence of hot springs near sites where ancient hominids settled, long before the control of fire.

Ryan Pierse/Getty Images
Some of the oldest remains of early human ancestors have been unearthed in Olduvai Gorge, a rift valley setting in northern Tanzania where anthropologists have discovered fossils of hominids that existed 1.8 million years ago.
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8 must-read books on the psychedelic experience

Psychedelics are going mainstream. Here's your reading list.

Photo: Yellow_Cat / Shutterstock
  • Hundreds of millions of dollars are pouring into psychedelics companies right now.
  • With loosening restrictions on clinical research, new therapeutic modalities are being investigated for anxiety, depression, and more.
  • The psychedelic literature is rich with anecdotal accounts and clinical studies.
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Scientists solve the origin of Stonehenge’s sarsen stones

Most of Stonehenge's megaliths, called sarens, came from West Woods, Wiltshire.

  • Researchers have known Stonehenge's smaller bluestones came from Preseli Hills, Wales, but the source of its sarsens has remained a mystery.
  • Using chemical analysis, scientists found a matching source at West Woods, approximately 16 miles north of the World Heritage Site.
  • But mysteries remain, such as why that site was chosen.
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48,000-year-old bone arrowheads and jewelry discovered in Sri Lankan cave

Artifacts uncovered in southeast Asia offer clues on early complex human cultures.

Langley et al., 2020
  • Archaeologists discovered a trove of bone tools used roughly 48,000 years ago in a Sri Lankan cave.
  • Uncovered artifacts include the earliest known bow-and-arrow devices found out of Africa, weaving utensils, and decorative beads chiseled from the tips of marine snail shells.
  • The findings underline the necessity of looking for early Homo sapien innovation in regions outside of the grasslands and coasts of Africa or Europe, where much of the research has been focused.
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This is how you overcome a language barrier

Don't worry about grammar rules at first. They'll only trip you up.

  • Learning a language can be a tricky process, but it's important to remember that it is a process.
  • Having learned 20 languages so far, Canadian polyglot and LingQ founder Steve Kaufmann's advice is to not focus on the grammar. Constantly thinking about the rules while attempting to speak only makes it harder.
  • Investing time (often several months) into listening, reading, and practicing words before trying to speak a language will help you feel more comfortable with it. You will make mistakes, but you will learn from them and people will be patient with you.
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