Rare & Remarkable Human Traits
How Rare Is Strawberry Blonde Hair?
Strawberry blonde is uncommon, but no published study counts it on its own. Here's the closest red-hair data and why exact figures are hard.
Rare & Remarkable Human Traits
30 articles
Rare & Remarkable Human Traits
Why Do Clocks Fall Back and Who Decided It?
Clocks fall back on November 1, 2026 because federal law sets the DST schedule. Here's how that rule began and where the repeal bill stands.
Rare & Remarkable Human Traits
Photographic Memory: Real or Myth?
Is photographic memory real? Learn what science says about eidetic imagery, the famous Elizabeth case, and people with extraordinary memories.
Rare & Remarkable Human Traits
Night Owls, Morning People, and the November Clock Change
Why night owls and morning people feel the November clock change differently—with the genetics and expert tips to adjust.
Rare & Remarkable Human Traits
Where Did Trick-or-Treating Come From? Soul Cakes, Pranks and the End of Sugar Rationing
Learn the surprising origins of trick-or-treating, from Celtic Samhain and medieval mumming through sugar rationing to today's $13.5 billion holiday tradition.
Rare & Remarkable Human Traits
What Running 100 Miles Does to the Human Body
What a 100-mile run does to muscles, kidneys, energy and sleep, using measured ultramarathon studies and noting where the evidence is thin.
Rare & Remarkable Human Traits
Is Candy Corn Really the Most Hated Halloween Candy? What the Polls Show
Candy corn is America's most divisive Halloween candy. Find out what the polls really say and why people either love or hate it.
Rare & Remarkable Human Traits
Tetrachromacy: Can Some Women Really See 100 Million Colors?
Some women may carry a fourth color cone, but the 100 million colors figure is an estimate. Here's what studies have and haven't shown.
Rare & Remarkable Human Traits
Are people using AI to plan their Halloween costumes?
Many people use AI for Halloween shopping and brainstorming, but fewer name it as a costume inspiration source. Here's what the surveys show.
Rare & Remarkable Human Traits
Halloween is on a Saturday this year. When is the next Saturday Halloween?
Halloween stays on Oct. 31, but its weekday shifts. Find out when it next falls on a Saturday (2037) and why the gaps vary.
Rare & Remarkable Human Traits
What are the most common Halloween costumes this year?
See which costumes top the 2026 adult, kids, and pet lists, plus what retailers and search data show, and why those measures differ.
Rare & Remarkable Human Traits
How much are Americans spending on Halloween in 2026?
NRF projects Americans will spend $13.5 billion on Halloween in 2026, about $115 per person, with costume, decoration, and candy breakdowns.