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Human

Crew Dragon Test Mishap Could Delay First SpaceX Human Flight

The SuperDraco thrusters that can propel the Crew Dragon capsule were being tested on Saturday, April 20, when SpaceX says […]

Running Made Us Human: How We Evolved to Run Marathons

Runners taking part in the Boston Marathon. (Credit: Marcio Jose Bastos Silva/Shutterstock) This Monday the 123rd annual Boston Marathon will […]

Running Made Us Human: How We Evolved to Run Marathons

Runners taking part in the Boston Marathon. (Credit: Marcio Jose Bastos Silva/Shutterstock) This Monday the 123rd annual Boston Marathon will […]

The Human Brain Has been Getting Smaller Since the Stone Age

(Credit: Discover magazine; Tory Kallman/Shutterstock and Hein Nouwens/Shutterstock, after Die Frau als Hausarztin (1911)) I don’t mean to alarm you, […]

Scientists Still Stumped By The Evolution of Human Breasts

Primate mothers only develop enlarged breasts during ovulation, whereas human females have them from puberty on. (Credit: Sergey Uryadnikov) “How […]

Scientists Still Stumped By The Evolution of Human Breasts

Primate mothers only develop enlarged breasts during ovulation, whereas human females have them from puberty on. (Credit: Sergey Uryadnikov) “How […]

The Human Body Might Survive a Mission to Mars Better Than Our Minds

Astronaut Scott Kelly posing before snacking on carrots during his year in space. (Credit: NASA) Scientists are still trying to figure […]

The Human Body Might Survive a Mission to Mars Better Than Our Minds

Astronaut Scott Kelly posing before snacking on carrots during his year in space. (Credit: NASA) Scientists are still trying to figure […]

With Ancient Human DNA, Africa’s Deep History Is Coming to Light

Ancient DNA can reveal much about the genetic history of Africa because it predate major events like slavery and colonialism, […]

With Ancient Human DNA, Africa’s Deep History Is Coming to Light

Ancient DNA can reveal much about the genetic history of Africa because it predate major events like slavery and colonialism, […]

As Earth warms from human activities, brutal cold waves are becoming less severe, not more so

Visualized in this animation of GOES-16 weather satellite images is the outbreak of frigid Arctic air in the Upper Midwest […]

As Earth warms from human activities, brutal cold waves are becoming less severe, not more so

Visualized in this animation of GOES-16 weather satellite images is the outbreak of frigid Arctic air in the Upper Midwest […]

Why Did Darker and Lighter Human Skin Colors Evolve?

Members of the Hamer Tribe walk at sunset in Ethiopia’s Omo River valley. Studies show that new skin colors evolved […]

The Human Brain Can Recognize 5,000 Faces

(Credit: Anton Gvozdikov/shutterstock) We see countless people everyday — in stores, in the gym, on television and during our commutes. […]

How Did Human Language Evolve? Scientists Still Don’t Know

Most scientists think language emerged in stages, as our ancestors evolved the necessary adaptations for speech. (Credit: Sergey Uryadnikov/shutterstock) Humans […]