Stories by Krystal D'Costa

What happens when our sense of responsibility breaks down?

Not a trick: We’ve been hooked on chocolate treats for a long time.

We're largely overestimating how much our feelings are on display to others

The always-on media cycle means political news is at our fingertips. What does this mean for employers?

Peaceful and warring—where does the truth lie about the Indigenous people of the Caribbean?

First Peoples populated America long before Europeans arrived to stake their claim. We have largely forgotten this legacy. A mapping tool is looking to change that

Since Theodore Roosevelt all but four presidents—Richard Nixon, Gerald Ford, Ronald Reagan, and George H.W. Bush—have used the Antiquities Act to enlarge or dedicate new national monuments. The magnitude of the actions of the Trump Administration are unprecedented.

Adding a chapter in the story of what makes us human

Instagram is a social mirror for more than just selfies

A silica flake from Blombos Cave contains the oldest example of prehistoric abstract art, and it looks like one of the most used symbols online

The history of modern humans is deeply embedded with the history of other hominid groups. Our understanding of these connections is only just beginning to unfold

“The data reveals an important point: There is no singular industry or job where unauthorized immigrant workers are a majority. They are outnumbered by native-born workers when you consider the totality of the data”

This is a snapshot of who we are right at this moment

New evidence from Jordan is challenging what we thought we knew about hunter–gatherer diets

No one likes a bare desk, least of all the people who have to sit there

Our ancestors may have been on the move out of Africa 300,000 years earlier than we originally thought

It turns out there is truth in the idea that when you're hungry, you just aren't yourself

Cooperation may be central to our social evolution, but U.S. cultural emphasis on the individual and her successes creates a contradiction

Let's consider a different view of the Easter bunny

Photos of our children, favorite movies, milestone photos, check-ins. Why do we take better care of our house keys than our personal data?

Labor interventions are largely driven by standards set in the 1950s. A growing body of research suggests it may be time for a change

Homer's

Odyssey is essentially a monster-making manual.

Orange, yellow, brown, red and black make sense. Where did purple come from?

In this installment of On My Shelf, discussions about race in Britain draw parallels to race in the US and in the Caribbean.