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How Carbon Footprints Work
science.howstuffworks.com/environmental/green-science/carbon-footprint.htm
While actual footprints measure size, weight and speed, carbon footprints measure how much carbon dioxide (CO2) we produce in our daily lives. Do you know how big your carbon footprint is?
Family Tree of Homo Sapiens Continues to Evolve
science.howstuffworks.com/life/evolution/family-tree-homo-sapiens-continues-to-evolve.htm
Were hobbits and giants real? And are they distant relatives of humans?
Extinct Marsupial Lions Killed Prey in a Really Weird Way
animals.howstuffworks.com/extinct-animals/extinct-marsupial-lion-thylacoleo-carnifex-claw.htm
The method this ancient carnivore employed is unlike anything we see in predators today.
Squonk: Cryptid Crybaby With a Damp Disappearing Act
science.howstuffworks.com/science-vs-myth/strange-creatures/squonk-cryptid.htm
If you're into quirky cryptids and bizarre folklore, allow us to introduce the squonk cryptid, a creature as sad as it is strange. This legendary animal hails from the hemlock forests of Pennsylvania and belongs to a curious category of folklore known as fearsome creatures or fearsome critters.
Are Whales Mammals? Yes, and They're Related to Hippos
animals.howstuffworks.com/mammals/are-whales-mammals.htm
If you've ever wondered, "Are whales mammals?" the answer is a resounding yes. Despite their fish-like appearance, whales belong to the order Cetacea and share many features with other mammals. From breathing air to nursing their young, these marine giants check every mammalian box.
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
10 Incredible Wind Power Facts
science.howstuffworks.com/environmental/green-science/10-wind-power-facts.htm
In the race to find alternative energy sources, wind power is a strong contender. In fact, it's already making its mark. How much do you know about this up-and-coming energy source?
How to Harness Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/harness-biofuel.htm
How much do you know about biofuels? Keep reading to learn How to Harness Biofuels.
The Ultimate Bee Quiz
play.howstuffworks.com/quiz/bee-quiz
There's something both sweet and frightening about bees. That they sting is and fly in swarms, frightens many people, but then there is all that honey. What is it about bees that we find so interesting? Take our quiz to learn more about these delightful honey makers.
Genetic Analysis Shakes Up Elephant Family Tree, Raising Conservation Issues
animals.howstuffworks.com/mammals/elephant-family-tree-dna-analysis-species.htm
HowStuffWorks looks at a new genetic analysis clarifying the evolutionary relationships between five modern and extinct elephant species.