Some of the eggs and sperm in these tubes stored in liquid nitrogen may go on to form an embryo.
Jens Kalaene/picture alliance via Getty Images
IVF is a decades-old procedure that has allowed increasing numbers of prospective parents to have children. Evolving legislation may put it under threat.
Grieving for the 140 victims of a January 2024 attack in north-central Nigeria.
AP Photo/Sunday Alamba
Nigeria is beset with security threats. Confronting them will take regional and international cooperation.
Sonnets still have a reputation for being about the unrequited love of a man for a woman.
These moving poems are a reminder that on Valentine’s Day, it’s OK to celebrate a broader definition of love.
Christian McCaffrey and the San Francisco 49ers will try to stop the Kansas City Chiefs from winning their third Super Bowl in five years.
Michael Zagaris/Getty Images
Oh, yeah, and there’s a game, too.
If you are what you eat, what does that mean for your politics?
jenifoto/iStock/Getty Images Plus
Polarization invades parts of Americans’ lives that really aren’t political, dividing society more deeply. That includes decisions about whether or not they like meatloaf or chili.
Creating the alphabet took thousands of years.
kovalchuk/iStock via Getty Images Plus
Turns out ‘A’ didn’t have to be the first letter in the alphabet, nor ‘Z’ the last.
Nick Saban was an outspoken critic of changes to NIL rules and the transfer portal that empowered players.
John Cordes/Icon Sportswire via Getty Images
Nick Saban was one of the most successful coaches in college football history. But he was not a champion of players’ rights.
A blizzard with brutally cold temperatures hit Iowa and neighboring states on Jan. 12, 2024.
Melina Mara/The Washington Post via Getty Images
The world can expect fewer severe cold events as average temperatures rise, but people still need to be prepared for wintery blasts.
Martin Howard, left, and Stephen Hopkins came to opposing conclusions about their colonial British identities.
Howard: John Singleton Copley via Wikimedia Commons; Hopkins: New York Public Library
What might appear to be common values about shared political and cultural identities can at times serve not as a bridge joining people together but a wedge driving them apart.
Two hurdles mRNA drugs face are a short half-life and impurities that trigger immune responses.
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The COVID-19 pandemic demonstrated the promise of using mRNA as medicine. But before mRNA drugs can go beyond vaccines, researchers need to identify the right diseases to treat.
Sel-sel di Alcatraz, bekas penjara yang terkenal di sebuah pulau di lepas pantai California.
Andrea Pistolesi/Stone via Getty Images
Penjara dan penjara memiliki sejarah yang panjang, tetapi tidak selalu digunakan untuk jenis hukuman yang sama.
There has been a flood of images on social media about the Israel-Hamas war.
NurPhoto via Getty Images
Social media is designed to keep you engaged by getting a rise out of you, not help you think critically or take effective action on political issues.
A Palestinian militant rides on the back of a motorcycle near a crossing between Israel and the northern Gaza Strip on Oct. 7, 2023.
Ahmed Zakot/SOPA Images/LightRocket via Getty Images
A scholar of the Islamic State group says Hamas has undergone a radical ISIS-inspired transformation that has not yet gotten widespread public attention.
Israeli reservists take a moment to rest in southern Israel on Nov. 13, 2023.
Alexi J. Rosenfeld/Getty Images
Israel’s decision to mobilize hundreds of thousands of reserve soldiers was not just an act of self-defense, a scholar writes, but a political move as well.
Henry Kissinger a été conseiller à la sécurité nationale des États-Unis (1969-1975) et secrétaire d’État (1973-1977).
Gerald R. Ford White House Photographs
Henry Kissinger a profondément influencé la politique étrangère des États-Unis. Il a notamment soutenu sans états d’âme des dictateurs étrangers, y compris des auteurs de crimes de masse.
The Earth’s magnetic field deflects particles emitted by the Sun.
Mark Garlick/Science Photo Library via Getty Images
Ever seen the northern lights? You have a magnetic layer in Earth’s atmosphere to thank for those beautiful displays. But the magnetosphere does a lot more than create auroras.
A Hamas fighter steps out of a tunnel during a 2014 public demonstration of the group’s military abilities.
Yousef Masoud/SOPA Images/LightRocket via Getty Images
Tunnel warfare tends to lessen any advantages a stronger, more advanced attacker might otherwise expect – and to favor the defenders hidden underground.
An Oct. 19, 2023, rally in New York City’s Times Square demanding the freeing of hostages taken in the Oct. 7 attack by Hamas.
Michael M. Santiago/Getty Images
Antisemitism in the US is growing – and that growth appears to be related to the escalation of the conflict between Israel and Hamas. It also reflects a different political ideology than in the past.
Fotos colocadas en una acera junto a velas durante la “Vigilia de la comunidad judía” por Israel en Londres el 9 de octubre de 2023.
AP Photo/Kin Cheung
Se calcula que Hamás ha tomado unos 150 rehenes. El gobierno de Israel se enfrenta a decisiones muy difíciles a la hora de abordar la crisis.
Pictures are put together on a pavement beside candles during the ‘Jewish Community Vigil’ for Israel in London on Oct. 9, 2023.
AP Photo/Kin Cheung
An estimated 150 hostages were taken by Hamas in Israel and brought back to Gaza. The government of Israel faces tough choices in dealing with the crisis.