Science

Scientists put hungry pigeons into a long box and taught the birds that a flashing light signified food appearance

Wanting and liking are separable components inside the brain

Dopamine makes you want the cake in front of you according to Kent Berridge

Dopamine triggers motivation for and wanting of fundamental needs

Dopamine was once believed to encode pleasure but evidence suggests that is not quite right

The brain chemical dopamine draws us to these signals

People are driven to find social interaction just as compelling as food water sex and salt

The dopamine system lights up when you see the logo of the cake bakery or your phone

Children need sanctuaries where activities that fulfill their needs can flourish

We start to value desire and become obsessed with signals on our devices that we associate with our fundamental needs

Psychologists documented a strange phenomenon among animals including pigeons raccoons and rats more than 50 years ago

PFAS are a class of chemicals with a special bond of carbon and fluorine atoms

PFAS are used in everyday items like microwave popcorn bags water-repellent clothing stain-resistant carpets cosmetics dental floss nonstick frying pans and ski wax

Feelings of rage against the government and anxiety about the future permeate all aspects of life nothing feels normal anymore.

Shiffrin has 108 World Cup wins but just two in 12 individual races during last four Olympics

Ms Darian felt deeply wounded

Latex foam is made from a rubber plant

Memory foam is made from synthetic polyurethane foam or viscoelastic

More than 4000 calls were made to the Pima County Sheriff's Department in 24 hours

To reach the 2009 endangerment finding they relied on the most pessimistic views of the science