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Home DNA testing has made it easy and affordable for millions of people to learn about their ancestry. Now, police are using this genetic information to identify suspects in unsolved crimes. Shutterstock

Privacy concerns don’t stop people from putting their DNA on the internet to help solve crimes

Despite privacy concerns over police use of DNA uploaded to ancestry websites, many people are just excited that their genetic material could get a killer off the streets.
Migrant agricultural workers kept out of the US by tough immigration laws are now being replaced by prison labor. Shutterstock

Convicts are returning to farming – anti-immigrant policies are the reason

Since Reconstruction, states have leased prisoners to US industries. That diminished in the 20th century, but now it’s resurging, with prisoners leased to harvest food for American consumers.
Two women sell roadside refreshments in rural Kano in 2011. Shobana Shankar

What the US could learn about vaccination from Nigeria

Nigeria’s highly mobilized efforts to eliminate polio, and even tackle measles and other vaccine-preventable diseases along the way, may have lessons for the US.
Just another American abroad. AP Photo/Eugene Hoshiko

No, Americans shouldn’t fear traveling abroad

If headlines about bombings and airplane crashes are making you rethink your international travel plans this summer, a look at how many Americans actually die abroad should set your mind at ease.
Plastic waste from Australia in Port Klang, Malaysia. Malaysia says it will send back some 3,300 tons of nonrecyclable plastic waste to countries including the U.S., U.K., Canada and Australia. AP Photo/Vincent Thian

As more developing countries reject plastic waste exports, wealthy nations seek solutions at home

A year after China stopped accepting most scrap material exports, other Asian countries are following Beijing’s lead, forcing wealthy nations to find domestic solutions for managing their wastes.
Students at the Parana Federal University in Curitiba, Brazil, protest planned cuts to federal spending on higher education planned by President Jair Bolsonaro’s right-wing government, May 30, 2019. The banner reads ‘In defense of education.’ Reuters/Rodolfo Buhrer

Brazilian universities fear Bolsonaro plan to eliminate humanities and slash public education budgets

Brazil’s new president was elected on promises to radically restructure Brazil. But proposed education spending cuts and curricular changes have students and teachers marching in the streets.
Many of Baltimore’s city services are crippled by a cyberattack. The Conversation from City of Baltimore and Love Silhouette/Shutterstock.com

Hackers seek ransoms from Baltimore and communities across the US

Ransomware has crippled governments and companies around the world, encrypting data and demanding payment for the decryption key – though that’s no guarantee of recovering the information.
Police protect a judicial complex where former FARC rebel leader Seuxis Hernandez was standing trial on May 20, 2019. The former peace negotiator has been arrested on drug charges and is now fighting extradition to the United States. AP Photo/Ivan Valencia

Violence climbs in Colombia as president chips away at landmark peace deal with FARC guerrillas

Colombia’s new president opposes the 2016 peace deal with the FARC guerrillas. As trust between the government and militants erodes, at least 1,700 former insurgents have returned to armed struggle.
Former Georgia Tech head coach MaChelle Joseph looks on during an NCAA college basketball game against Notre Dame in February 2019. AP Photo/Robert Franklin

The war on women coaches

Why do female college coaches seem to be held to a different standard than their male counterparts?
Muslim women at a prayer service at a mosque in Redmond, Washington, to mark the end of Ramadan and the start of Eid-al-Fitr in 2016. AP Photo/Ted S. Warren

What is Eid al-Fitr and how do Muslims celebrate it? 6 questions answered

Muslims throughout the world will celebrate the holiday of Eid al-Fitr, a celebration at the end of Ramadan. Here’s an introduction to this important feast and its partner, Eid al-Adha.
Archaeological visualization of Angkor Wat at sunset, with site map at upper right. Tom Chandler, Mike Yeates, Chandara Ung and Brent McKee, Monash University, SensiLab, 2019

Angkor Wat archaeological digs yield new clues to its civilization’s decline

Many tourists hold an outdated romanticized image of an abandoned temple emerging from the jungle. But research around Angkor Wat suggests its collapse might be better described as a transformation.
Companies use data to make a portrait of their users. ImageFlow/shutterstock.com

Big tech surveillance could damage democracy

Big tech companies compete over who can gather the most intelligence on their users. Countries like Russia and China turn this information against their citizens.