When Sivuqaq the walrus wanted a mate, he let it be known, loud and clear.Each year, as winter turned to spring, the marine-animal center at Six Flags Discovery Kingdom in Vallejo, California, would reverberate with his come-hither calls—a nonstop orchestral mélange of whistles and warbles, barks and bellows, even clacks and clangs.

Are you in the mood to feel small? Like cosmically small? And not because of the usual dreamy, slightly cheesy stuff that space can offer—the idea that we exist on a tiny speck of rock clinging to our beautiful sun in the darkness. I’m talking about some truly wild action, so intense that it warps space-time, the invisible scaffolding that holds up everything we know, and reverberates for hundreds of millions of light-years.Then astronomers have got something for you.

Essential workers who tugged the United States through the pandemic have not gotten much compensation for what they’ve had to endure, but hey, they did get some perks. Fifteen percent off mattresses for teachers! Allbirds at $35 off with the discount code HEALTHCAREHERO.

The Democratic primary voters of deep-blue New York City delivered a message clearly, firmly, and loudly: “Defund the police” was stupid and is now over. The first tally of the mayoral primary showed the pro-funding and pro-reform ex–police officer Eric Adams atop a large lead. The next day, President Joe Biden urged Democratic cities and states to spend some of their billions in coronavirus-relief money to hire more cops and put them on more streets.