You may feel sluggish at first, but adapting to the heat can make you faster over the long term.
Beth Skwarecki
Beth Skwarecki
Senior Health Editor
Experience
Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years.
President Donald Trump’s name will not be returning to the Kennedy Center anytime soon.
The U.S. Court of Appeals for the D.C. Circuit on Wednesday ruled against the arts institution’s motion to stay a lower court’s decision that Trump’s name be removed from the Kennedy Center pending its appeal.
CLEVELAND, OHIO - JANUARY 05: Donovan Mitchell #45 of the Cleveland Cavaliers smiles during the third quarter against the Charlotte Hornets at Rocket Mortgage Fieldhouse on January 05, 2025 in Cleveland, Ohio. The Cavaliers defeated the Hornets 115-105. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Jason Miller/Getty Images)
You’ve probably seen one of the memes about Dwayne ‘The Rock’ Johnson’s wig in the live-action Moana remake. It “deserves its own credit in the movie,” one of the memes says. “Everyone in the Moana trailer is fighting for their lives… meanwhile Dwayne Johnson’s wig is fighting gravity, the wind, and its own contract obligations,” another says. Even parody singer Weird Al Yankovic, who has long, curly locks himself, waded in, saying: "We've told all the casting agents that the Weird Al biopic sequel is currently on hold, but they just keep sending in headshots."
The North Atlantic Treaty Organization (NATO) has closed out a two-day summit in Turkiye with a pledge of 70 billion euros ($80bn) in assistance for Ukraine’s fight against Russia as United States President Donald Trump projects optimism about the prospects for a future peace deal.
Everyone in healthcare knows what it means to “make the call.”
A family member cannot get an appointment with a specialist for months. A friend has been denied a medication that every physician involved agrees is appropriate. A colleague is caught in an endless cycle of prior authorizations, referrals, and appeals. Rather than trusting the process, someone reaches for their phone. A text is sent to a department chair, a hospital CEO, an insurance executive, or an old residency classmate. Suddenly, what seemed impossible becomes routine. The appointment appears. The authorization is approved. The problem dissolves.
Light micrograph of a section through follicles, which house immature eggs, in an ovary. The immature eggs (orange) are surrounded by fluid-filled cavities (light pink) and granulosa cells (dark pink), which provide them with nutrients and hormones
Schematic of the dynamic shuttling model for scaling of mitotic wave period and spindle size. Credit: Science Advances (2026). DOI: 10.1126/sciadv.aec7705
When a human cell prepares to split into two daughter cells, it must first construct a tiny internal machine called the mitotic spindle—a structure of protein fibers that physically pulls chromosomes apart and deposits one set into each new cell. Get the spindle the right size and the chromosomes segregate cleanly. Getting it wrong could result in the chromosomal errors that fuel cancer.