Human behavior
Have you ever wondered why we behave the way we do? From the evolution of human aggression to why humans are so curious, Live Science takes you inside our minds to explain the science behind the things we do, why we do them and what is going on in our brain when it happens.
Whether it's pondering the weird things humans do every day or why we believe in conspiracy theories, our expert writers and editors track down the biggest stories in psychology, sociology and neuroscience, bringing you the latest news, features and articles about human behavior.
Explore Human Behavior
Editor's Picks
Latest about Human Behavior
![Lego Ideas Motorized Lighthouse](https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/EFq3mXjMHiAsYWWv4wztM7-1200-80.jpg 1200w)
Lego Ideas Motorized Lighthouse review
By Kimberley Snaith published
Lego The Lego Ideas Motorized Lighthouse is both an impressive piece of Lego engineering, and one of the most visually stunning pieces they've ever made.
![A human shadow on the steps of a bank in Hiroshima, following the explosion of the nuclear bomb in August 1945.](https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/jJYQLih3hj3eN44zBZrAzY-1200-80.jpg 1200w)
Why did the atomic bomb dropped on Hiroshima leave shadows of people etched on sidewalks?
By Stacy Kish last updated
Here's why the nuclear bombs dropped in Japan left shadows of people on the ground and buildings.
![Here, the mushroom cloud created when the nuclear bomb exploded over Nagasaki, Japan, on Aug. 8, 1945.](https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/SFNAEe2dpAaUwj5w9h3cc7-1200-80.jpg 1200w)
What happens when a nuclear bomb explodes?
By Stephanie Pappas last updated
When a nuclear bomb goes off, the blast is only the beginning.
![A human skull with a tag attached to it on a pedestal. A metal spring holds the jaw to the cranium.](https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/M7r34zgQVMiBEq4SC4j7Gd-1200-80.jpg 1200w)
40 human skulls found in Kentucky apartment linked to national network of body part dealers
By Patrick Pester published
The alleged theft of donated body parts from Harvard Medical School and an Arkansas mortuary is revealing a national network of human remains dealers.
![Albert Einstein stands next to a blackboard](https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/ngaxf8sSCbTACWvoo9J5yF-1200-80.jpg 1200w)
Science 'supersedes' creationism, Einstein tells religious students in newly revealed letter
By Harry Baker published
In the letter, the famous physicist also writes that God can be thought of as "analogous to humans."
![Still from the science biopic movie The Intimidation Game (2014) - Best biopics](https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/XLjTXq6wKVUuMitCbADASB-1200-80.jpg 1200w)
Best movies about famous scientists to watch while you wait for Oppenheimer
By Erin Macdonald published
Oppenheimer is almost here, so what better time to look back at the best biopics based on history's most influential scientists?
![We see an enormous yellow bubble that is an atomic bomb exploding against a black sky.](https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/zmSVCLEXPxY9dqQ9tk4SqA-1200-80.jpg 1200w)
'The night turned into day': How Manhattan Project scientists reacted to the world's first atomic bomb test
By Alexander McNamara published
In this except from the biography of J. Robert Oppenheimer, we hear from the people at the historic first test of the atomic bomb in New Mexico.
![Here, a real image of Buzz Aldrin saluting the U.S. flag on the surface of the moon.](https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-320-80.jpg 320w, https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-450-80.jpg 450w, https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-650-80.jpg 650w, https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-970-80.jpg 970w, https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-1024-80.jpg 1024w, https://cdn.mos.cms.futurecdn.net/ubGHZmyxA3qKGD7mgFVPdN-1200-80.jpg 1200w)
20 of the best conspiracy theories
By Stephanie Pappas, Benjamin Radford last updated
Conspiracy theories that have taken hold range from a faked moon landing to Barack Obama's birthplace to chemtrails.
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