Hummingbirds flap their wings 800 times per minute.
Dino Hans Farnese/Shutterstock.com
How do hummingbirds drink sugary nectar and not get sick? Don't they need a balanced diet to stay healthy? Do they eat anything else?
Freshly harvested organic foods such as these radishes may seem to be healthier, but it is difficult to say for sure.
Because of the way scientific studies are conducted, it's been hard to health benefits from eating organic food. A new study suggests, however, that there are ways to find out.
In 1978, President Jimmy Carter spoke at a Northern Virginia high school about civil service changes underway.
AP Photo/Jeff Taylor
It's dismantling the Office of Personnel Management and relocating hundreds of USDA research jobs on short notice.
Companies use data to make a portrait of their users.
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.
Technology can significantly improve governments’ surveillance abilities.
Even governments in democracies with strong traditions of rule of law find themselves tempted to abuse these new abilities.
Activists hold demonstrating against the church’s sacking of priests over alleged homosexuality.
Pope Francis has discouraged homosexual men from entering priesthood. Prior to the 12th century, even celebrated priests could write about same-sex desires and the church paid little attention.
What makes more sense: Sending a human or a robot to Mars?
As commercial spaceflight companies lower the cost of reaching space, nations can launch more missions. But while astronauts are great for whipping up enthusiasm, is a manned mission worth the cost?
Venezuelan President Nicolás Maduro created a new cryptocurrency called the ‘Petro’ to combat hyperinflation.
Reuters/Carlos Garcia Rawlins
When an elected leader turns autocratic, the economy tends to suffer. That's because, in a functioning democracy, economic policy is made jointly, with lawmakers playing a key role.
Female sage grouse at the Seedskadee National Wildlife Refuge, Wyoming.
The Interior Department is expanding oil and gas leasing on land in six western states that is vital habitat for the greater sage grouse. Lawsuits are certain to follow.
President Donald Trump.
AP Photo/Evan Vucci
President Trump says an alliance with Saudi Arabia is necessary, despite evidence the country's crown prince ordered the killing of journalist Jamal Khashoggi.
Cartel electoral en español.
La ley estadounidense protege a las minorías lingüísticas y requiere que se ofrecen herramientas para el voto en lenguas extranjeras. Este año los latinos de Lincoln, Idaho, ejecieron este derecho.
Voting sign in Spanish.
The Voting Rights Act offers language assistance for voters with limited English proficiency. What can we learn from an Idaho county's experience offering foreign-language ballots?
In 1968 the Protestant Left lost its political clout over their opposition to the Vietnam War – and opened the door for the rise of the modern Religious Right.
Public outrage followed the 2012 gang rape of a 23-year-old woman on a bus in Delhi, India. Here, demonstrators call for justice at the one-year anniversary of the incident.
India is the most dangerous country for women in 2018, according to a new survey. Putting more women in government is a necessary first step in preventing rape and better protecting abuse survivors.
While textbooks have been said to be on their way, they are still a mainstay in higher education.
Although textbooks are often said to be on their way out, their usefulness in the transmission of knowledge suggest textbooks won't be obsolete anytime soon, the author of a book on textbooks argues.
Zimbabwe’s President-elect Emmerson Mnangagwa was Robert Mugabe’s vice president and enforcer.
Violence and uncertainty has followed Zimbabwe's first modern election without Robert Mugabe. That's not surprising: After 38 years of dictatorship, it takes more than a vote to build democracy.
Genetic testing is available to people who want to know if they carry a variant of a gene that confers susceptibility for Alzheimer’s. But knowing whether to get tested is hard.
Alzheimer's is not only the third leading cause of death in the U.S. but also the most dreaded diagnosis. Genetic testing can help determine susceptibility, but knowing whether to test isn't easy.
El Papa Pablo VI prohibió el uso de anticonceptivos en 1968.
AP Photo/Jim Pringle
En julio se cumplen 50 años de la encíclica del Papa Pablo VI que prohíbe el uso de anticonceptivos. Durante muchos años antes, la iglesia no había sido tan explícita en su postura.
Pope Paul VI banned contraception for Catholics in the 1968 encyclical, “Humanae Vitae.”
AP Photo/Jim Pringle
July marks 50 years of Pope Paul VI's encyclical prohibiting contraceptive use. For many years prior to it, the church had not been so explicit on its stance. How did it become such a thorny issue?
The Trump administration may limit visas for Chinese students in hopes to curtail intellectual property theft.
The Trump administration’s plans to restrict visas for Chinese students to curtail intellectual property theft may be necessary, but could also scare away talent, a U.S-China relations expert warns.