Search Results | human population
Your search for "human population" returned 1,378 results
Deadly Chlamydia Threatens Koalas Down Under
Over the past 20 years, koala populations in parts of Australia have decreased by nearly 80 percent. HowStuffWorks looks at the facts.
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.
10 Weird Ways Organisms Reproduce
animals.howstuffworks.com/animal-facts/10-weird-ways-organisms-reproduce.htm
Nature has come up with many ways to increase populations. Learn more about the weird ways organisms reproduce at HowStuffWorks.
How Bird Flu Works
science.howstuffworks.com/life/cellular-microscopic/bird-flu.htm
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.
PCBs Are Killing Killer Whales
animals.howstuffworks.com/mammals/pcbs-are-killing-killer-whales.htm
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 China never had a one-child policy?
science.howstuffworks.com/science-vs-myth/what-if/what-if-china-never-had-one-child-policy.htm
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?
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.
All About the Vaquita, the Most Endangered Marine Mammal
animals.howstuffworks.com/vaquita.htm
The vaquita is the most endangered marine mammal in the world. Abundance estimates place the total vaquita population at about 10 individuals.
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?"
How Shrunken Heads Work
people.howstuffworks.com/shrunken-head.htm
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.