The Skeletal System By Brandon Specktor published 16 February 18 Full-grown humans have 206 bones in their bodies. Learn all about them — plus the ligaments, tendons, and cartilage that connects them — here.
The Endocrine System By Brandon Specktor published 16 February 18 Your endocrine system is a collection of glands (including the pituitary gland, the adrenal gland, the ovaries and the testes) that secrete hormones to regulate mood and many critical body processes.
Movies By Live Science Staff published 15 February 18 Grab some popcorn and settle in with Live Science at the movies.
Great Barrier Reef By Live Science Staff published 15 February 18 Australia's Great Barrier Reef is an enormous and spectacular natural wonder, and it is also increasingly threatened by a warming world.
Gender By Live Science Staff published 15 February 18 The terms "sex" and "gender" are frequently used interchangeably, but the connotations of "gender" are more complex.
Sugar By Brandon Specktor published 15 February 18 Feed your sweet tooth with the latest health findings on the sugar in your tea, your food and all over your body.
Sahara Desert By Live Science Staff published 15 February 18 The Sahara —Arabic for "The Great Desert" — is the largest hot desert on Earth.
Predators By Brandon Specktor published 15 February 18 Are you the predator, or the prey? Here is the latest news and findings on creatures that hunt, kill, and make Shark Week the best week.
Poop By Live Science Staff published 15 February 18 Here's where you're find the latest poop on poop.
Climate Change By Live Science Staff published 15 February 18 Climate change is real. It's happening. It's accelerating. And it's our fault.
Marijuana By Rachael Rettner published 14 February 18 Marijuana is an age-old drug made from parts of the Cannabis plant.
Sleep By Rachael Rettner published 14 February 18 Everyone needs sleep, but many of us don't get enough.
Human heart By Rachael Rettner published 14 February 18 The human heart is a vital organ that pumps blood through the body.
Reproductive System By Rachael Rettner published 7 February 18 The reproductive system is a collection of organs found in both sexes that work together for the purpose of producing offspring.
Caffeine By Rachael Rettner published 7 February 18 Caffeine is perhaps the world's most popular mood-altering drug, found commonly in coffee and tea.
Autism By Rachael Rettner published 7 February 18 Autism is a developmental disorder that affects a person's ability to communicate and interact with others.
Cretaceous Period By Laura Geggel published 7 February 18 The Cretaceous, the last and longest period of the dinosaur age, lasted from about 145.5 million to about 65.5 million years ago.
Vikings By Laura Geggel published 7 February 18 During the Viking Age, which lasted from about A.D. 800 to 1066, Scandinavian seafarers raided foreign lands, began new settlements and traded goods such as furs, reindeer antlers and seal fat.
Photosynthesis By Laura Geggel published 7 February 18 Photosynthesis allows plants, algae and certain bacteria to turn sunlight into chemical energy.
