Putin orders troops into two rebel-held regions in eastern Ukraine, after recognizing them as independent states. / CNN
Opinions differ on whether it's an "invasion" of the country. / The Washington Post
As the EU prepares to unveil the scale of sanctions to be imposed, the west struggles to maintain a unified response. / The Guardian
Analysis: The White House's strategy has been to share intelligence about Russia's plans, if only to unite its NATO allies. / The New Yorker
England becomes the first Western nation to drop all Covid-19 restrictions. / BBC News
Scientists estimate there may be millions of new onset cardiac cases related to the coronavirus. / The Washington Post
Specialists and parents disagree about when to tell daughters they may carry BRCA1 or BRCA2 mutations. / The New York TImes
Imagine you get a life-changing retinal implant, then the company behind it abandons the technology. / IEEE Spectrum
Mark Zuckerberg's metaverse is likely decades away, if only for the "generational shifts" required in computing and manufacturing. / Protocol
Fred Pearce: Don't blame climate change for catastrophes that were caused by bad policy and planning decisions. / YaleEnvironment360
For your weekly wanderlust, a travel report from a small island off the northernmost point of mainland Scotland. / Granta
February means a lot of visitors to Yosemite National Park trying to capture the glowing light of "firefall season." / The Morning News
An essay of literary references to explain why people endure very cold places, written by someone who lives in one. / The Hedgehog Review
Unrelated: The world's largest mug can hold 4,000 gallons of iced coffee. / Mashed
RIP, the incredibly inspiring Dr. Paul Farmer, global health champion, dead at 62. / NPR
Ivan Reitman's first movie is said to be "the most successful student film ever made in Canada." / The Morning News
One of our favorite things: Playwright Alan Bennett's annual diary. / The London Review of Books