Search Results | human population

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How Shrunken Heads Work

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If you think that shrinking a human head isn't possible, read on at HowStuffWorks for a frightening primer on the ritual and those that perform it.

How HeLa Cells Work

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While HeLa cells have been star players in medical research for decades, the woman behind them remained in the shadows for years. Discover the amazing story of Henrietta Lacks and her immortal cells in this article.

How Bird Flu Works

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Bird flu is an infectious disease that has swept through the Asian bird population. Learn how bird flu spreads and the risks posed by antigenic drift and shift.

10 Weird Ways Organisms Reproduce

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Nature has come up with many ways to increase populations. Learn more about the weird ways organisms reproduce at HowStuffWorks.

Congo Snake: Legendary Serpent or Common Python?

animals.howstuffworks.com/snakes/congo-snake.htm

The Congo snake, often shrouded in mystery and myth, has captured the imagination of people around the world, particularly with tales of a giant snake reportedly sighted by Belgian pilot Colonel Remy Van Lierde during a mission in the 1950s.

What if China never had a one-child policy?

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China's government imposed mandatory IUDs and mass sterilizations, among other measures. That's some serious micromanagement. Was it necessary to avert a population disaster?

All About the Vaquita, the Most Endangered Marine Mammal

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The vaquita is the most endangered marine mammal in the world. Abundance estimates place the total vaquita population at about 10 individuals.

PCBs Are Killing Killer Whales

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A new study paints a grave future for the killer whale, all because of now-banned PCBs. HowStuffWorks looks at the science behind PCBs killing orcas.

What If There Were No Such Thing As Illness?

science.howstuffworks.com/science-vs-myth/what-if/what-if-no-illness.htm

It's a crazy thought, but what if cancer didn't exist? And malaria, schizophrenia and every other illness that disrupts our normal functioning? Come along as we investigate what such a world might look like.

What Is the Most Common Eye Color? Over 70% of People Have It

science.howstuffworks.com/life/genetic/what-is-the-most-common-eye-color.htm

Eye contact helps build trust and communication whether in business, friendships or romantic pursuits. Its importance in human socialization means that we're more likely to take note of eye color and wonder, "What is the most common eye color?"

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