About nine out of ten Somalis above the age of 16 own a phone.
Mobile money transfers have become the norm in Somalia. Transactions total as much as $2.7bn a month.
A Mobius strip.
The inventor of the brain-teasing Möbius strip died 150 years ago, but his creation continues to spawn new ideas in mathematics.
Firefighters hose down flames from an advancing wildfire July 28, 2018, in Redding, Calif.
AP Photo/Marcio Jose Sanchez
Wildland firefighting has always been a risky job, but development in fire-prone areas is making it more dangerous by putting forest firefighters in situations they are not equipped or trained for.
Trump supporter holds banner against Central American-based Mara Salvatrucha (MS-13).
How city and state governments identify and keep records of suspected gang members can be problematic. Good data are essential to addressing violent crime across the US.
Men want to have a say in conversations about contraception – but they're worried about imposing on women's autonomy.
Agnesi was the first woman to write a mathematics textbook.
May 16 marks the 300th anniversary of the first woman to write a mathematics textbook.
Good for you, bad for the air?
New research is spotlighting personal care products, such as shampoos and skin lotions, as a significant source of chemicals that contribute to urban air pollution.
If everyone else sticks with salad, maybe you will too.
Everybody wants more self-control, but it's proven difficult to beef up through training. New research suggests that what your social group does might be key to enhancing your own self-control skills.
Scientists on Arctic sea ice in the Chukchi Sea, surrounded by melt ponds, July 4, 2010.
Climate change is transforming the Arctic, with impacts on the rest of the planet. A geographer explains why he once doubted that human actions were causing such shifts, and what changed his mind.
Young people in Africa are getting addicted to online betting through their mobile phones.
Mobile money transfers have been a great asset. But the rise of online betting could threaten its contribution.
Dr. Martin Luther King Jr. addresses marchers during his ‘I Have a Dream’ speech at the Lincoln Memorial in Washington.
A scholar argues how MLK's ideas and thoughts remain underappreciated in wider public consciousness.
Fourier’s name is inscribed on the Eiffel Tower.
Fourier's discoveries can still be felt in modern-day radiology, climate science and physics.
Exercise is recommended as an effective non-opioid strategy for non-cancer pain such as fibromyalgia and chronic low back pain. Yet most adults living with chronic pain do not exercise. Or they exercise very little.
Research shows that exercise offers promise -- as an alternative to prescription opioids -- for relieving chronic pain.
‘Fifty Shades’ author E.L. James, shown signing autographs, has earned a fortune from her romance novels.
Few of them are getting rich off their books but the genre is making them more money than it used to.
Dr. Martin Luther King Jr. , chats with African-Americans during a door-to-door campaign in 1964.
African-American minister, theologian and mystic, Howard Thurman, left a profound influence on Martin Luther King Jr.
American voters would not give more money to the wealthy.
Supporters of the Bears Ears and Grand Staircase-Escalante national monuments during a rally Saturday, Dec. 2, 2017 in Salt Lake City.
AP Photo/Rick Bowmer
President Trump signed an order on Dec. 4 to drastically reduce the Bears Ears and Grand Staircase-Escalante national monuments. Four legal experts explain why this action is likely to be reversed.
An Antarctic icebreaker sails past a penguin. But conservationists are still waiting for their own breakthrough.
John B. Weller
Australia is among nations calling for a 1 million square km marine park off East Antarctica. But Russia and China remain opposed, and a recent summit yet again failed to seal the deal.
A high school football game in Kapaa, Hawaii on the island of Kauai.
Marco Garcia/AP Photo
After decades of continuous growth, participation rates have started to decline. What does it mean for the future of the sport?
It appears that whatever factors are constraining genetic potential among less well-off students in the US do not exert a similar influence in Australia.
In the US, differences in school results among poorer children depend more on environment than genes. In Australia, the story is different.