October 1, 2021

Weekend reads: How telescopes allow us to travel through time

Daily Briefing

    Why you should stay gray if you had to ditch hair dye during Covid, the dangerous invasion of "stalkerware" apps, and more.

    Vivian Le's reads

    The dangerous invasion of "stalkerware" apps. While surveillance apps can have legitimate uses, like parents monitoring their children online, some can be used for more odious purposes—such as spying on someone without their consent. Writing for the New York Times, Brian Chen explains what different types of "stalkerware" can do and how to protect yourself against these invasive apps.

    How telescopes allow us to travel through time. The Hubble Space Telescope can look 13.3 billion years into the past, and the James Webb Space Telescope, Hubble's more powerful successor, will be able to look even farther back. Over time, technology may advance far enough that we might be able to see the aftermath of the Big Bang—which occurred before there was even starlight. Writing for Vox, Brian Resnick examines the parts of space currently invisible to humans and how future telescopes might eventually unveil these hidden areas.

    Alyssa Nystrom's reads

    Why you should stay gray if you had to ditch the hair dye during Covid. When Covid-19 cases began to rise and salons felt unsafe or were closed altogether, a lot of women were forced to sport their natural hair color. Now many of those women are joyfully embracing their gray hair. Writing for the New York Times, Jessica Shaw explores how "gray grief got a full makeover to gray joy."

    Increased tourism at crowded national parks might mean reservations are here to stay. Officials at some of the most crowded national parks are considering implementing permanent reservation systems and congestion-management plans. Writing for the Wall Street Journal, Allison Pohle explains how parks plan to keep numbers under control to promote visitor safety and enjoyment—and protect the parks' natural resources. 

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