Is this how we got the sperm and the egg?
An ancient sexual conflict over mitochondrial inheritance may be responsible for the evolution of the two sexes as we know them.
A group of teenagers hanging out.
In recent years, the notion of a structurally imbalanced teenage brain has been faulted for bad choices. A review of studies suggests that a deficit in brain development is not to blame.
Former president of Boswana Ketumile Masire.
Botswana’s late president Ketumile Masire was original and daring. He should be remembered for his courage and prudence.
Laurene Powell Jobs, founder and chair of the Emerson Collective.
There are some benefits to the uptick in billionaire newspaper and magazine owners, who can weather short-term losses for the sake of long-term gains. But whose interests are really being served?
The mall's inventor, Victor Gruen, envisioned thriving hubs of civic activity, rather than bland, asphalt-enclosed shopping centers. Is his original vision now being realized – or further corrupted?
As journalism loses its financial footing, it may need more support from foundations.
Tim Karr/Free Press
Big cash infusions can give nonprofit journalism a much-needed boost. But the ailing news industry needs more consistent funding.
In the absence of the government, and with important negotiations ahead, it's helpful to understand what citizens think about Brexit.
Will Bill Nye’s new show find a wider audience than Neil deGrasse Tyson’s ‘Cosmos’ did?
Vince Bucci/Invision for the Television Academy/AP Images
Popular programming that focuses on science tends to not actually be all that popular. Bringing in new audiences who aren't already up to speed on science topics is a challenge.
A recipe for an eyesalve from ‘Bald’s Leechbook.’
© The British Library Board (Royal MS 12 D xvii)
A team of medievalists and scientists look back to history – including a 1,000-year-old eyesalve recipe – for clues to new antibiotics.
In the mid-1990s, body modification enthusiasts – a long-ostracized subculture – created an online community that incorporated blogs, dating and wikis.
Even though Facebook claims to be a global community, its rise has come at the expense of online subcultures for marginalized people, from body modification enthusiasts to drag queens.
An All-American meal.
Cropped from firsttubedotcom/flickr
Chain restaurants vowed to make children's menus healthier. But our analysis of menus across the country shows that kids' choices still aren't very good for them.
A demonstration marking International Women’s Day in Mexico City.
AP Photo/Eduardo Verdugo
Mexico City ranks first among 16 international cities surveyed for physical and verbal harassment on public transportation, but street harassment is reported each day from dozens of U.S. cities.
Children learn hatred and violence, two pediatricians write, and they also learn love and respect. As we celebrate Martin Luther King Day, the two doctors offer things you can do to teach tolerance.
Add a hashtag, join the Olympics conversation.
The mainstream media has knocked Brazil for the Zika virus, doping scandals and safety concerns. But citizen social media users, by revealing an alternate narrative, could even the score for Rio.
Donald Trump en salle de réunion dans un épisode de « The Apprentice ».
Nick Lehr/The Conversation
Des études montrent que, depuis les années 1970, la tendance au narcissisme augmente. Une évolution liée à la consommation de la télévision ?
Donald Trump in the boardroom during an episode of ‘The Apprentice.’
Nick Lehr/The Conversation
Studies have shown that since the 1970s, people's scores on the Narcissistic Personality Inventory are rising. Could there be a connection to television consumption?
Suboxone is often prescribed as a treatment for those addicted to opioids, but only doctors with a certain waiver may prescribe it.
The FDA just approved a new implant of a drug that treats opioid addiction. Why hasn't the drug been prescribed more widely already?
Hard to get.
Morphine pills image via www.shutterstock.com.
Why are so many people in dire need of pain relief unable to access the powerful painkillers that are so commonly prescribed in the United States?
What’s the fuss about?
Polls indicate that a large percentage of Americans know very little about Common Core, the standards for teaching math and English language arts. Here are some Common Core facts.
The cast of the film ‘Spotlight’ reacts after they won the Oscar for Best Picture at the 88th Academy Awards.
From Chris Rock's opening monologue to red carpet hits (and misses), our experts analyze key moments from this year's Academy Awards.