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It is also geologically young, having undergone catastrophic resurfacing events. Such extreme events are caused by the build up of heat below the surface, eventually causing it to melt, release heat, and re-solidify. Certainly a scary prospect for any visitors. Hovering in the atmosphere Luckily, the idea behind NASA’s new mission is not to land people on the inhospitable surface, but to use the dense atmosphere as a base for exploration....

Having faced three big wildfires in the span of 20 years, locals in this part of parched and drought-stricken New Mexico knew enough to consider this one dangerous. But it was now 1:30 a.m., an hour when most fires, faced with cool air, calm for the night. As Winkel pointed his scope up one of the eight canyons that radiate like spokes from the caldera, he saw something unexpected: a yellow-orange wall marching down the southern face of the Jemez Mountains that surround the Valles Grande caldera....

“Medical oxygen is the priority of our members,” says Richard Craig, vice president of technical and regulatory affairs for the Compressed Gas Association, an American trade association. A shortage of truck drivers with the certifications needed to transport the oxygen is only adding to the problem, and there are concerns about other rocket launches being pushed back as well. At the recent Space Symposium in Colorado, SpaceX president Gwynne Shotwell invited anyone with access to liquid oxygen to reach out....

This is why increasing numbers of race drivers are undertaking serious training routines to optimize their fitness. Explosive strength might not be absolutely necessary for success, but both physical and mental endurance are crucial, especially late in the race, when fatigue is taking its toll and the stakes are highest. Nascar’s Jimmie Johnson and Dale Earnhardt Jr. have taken up serious cycling, and Johnson ran the New York Marathon earlier this year....

I started with a WVO kit from Frybrid. This company sells a rather high-end (~$2,000) setup for my model of Mercedes. The primary components are: Heated fuel hoses (hose-in-hose)20-gallon fuel tank (with heat-exchange)Heat-exchanger under the hoodHeated fuel filterEmbedded computer to control dummy lights and switches between stock diesel tank and veggie oil tank based on radiator temperature The idea is simple enough: Place a second fuel tank in the trunk and wait for the vegetable oil to reach a combustible temperature of 160°F....

But there’s a longer-term cost to concerts that’s often overlooked. While data on the topic is still hard to come by, one 2010 study calculated that live music in the UK generated approximately 440,924 tons of greenhouse gases a year: the equivalent of 88,000 cars on the road. Scientists have yet to crunch the cumulative cost of live music on emissions globally, but musicians have long understood the environmental costs of touring....

In 1919, visitors to national parks were curious as to why airplanes and dirigibles were flying overhead, especially since the war had already ended. Unbeknown to most, forest rangers were being trained in aviation so that they could help locate forest fires. Fighting fire was a team effort; watchers, or men stationed at strategic lookouts, would alert headquarters by telephone, so they could dispatch a group of men to extinguish the flames....

These days there’s enough fear and uncertainty to go around for everyone. Most folks are simply doing their best to hang tough and help keep themselves and others safe the best way they can. Many of us now find ourselves on lockdown, mandated to stay home. Some are lucky to have exceptions, and easy access to the outdoors, but some aren’t. There are a lot of folks out there who are getting a first-hand dose of real cabin fever....

Crowding by the numbers In fact, we may be loving them too much. National parks are usually stunningly wild destinations overflowing with sweeping vistas, diverse wildlife, and ample recreation opportunities. Adventurous travelers are catching wind. They aren’t, however, visiting all national parks equally. According to the National Park Service, 25 percent of all recreational visits in 2020 occurred in only six parks, which represent just 1.5 percent of all parks in the system....

If you scheduled the event with Google Calendar, you can avoid all this hassle by opening a chat directly from a Google Calendar event. This is why Google added this feature to its calendar platform. To use it, just open up a G-Cal event, and you’ll see a chat icon right next to the guest list. Click it to open a group chat that includes all of the people on the guest list that belong to your organization....

Determine what spring cleaning means to you If you’ve ever compared what you and somebody else think is a dirty bathroom, you know that everyone has a widely different standard for what “clean” means. Leanne Stapf, chief operating officer of The Cleaning Authority, a home cleaning service, says the first step to identifying what you really care about tidying up is to try to find a focus for every room. You can start by going to each room and targeting potential germy areas that could negatively affect your family’s health, ignoring simple clutter....

Set up a portfolio No matter your line of work, you can advertise yourself online with a landing page where you introduce yourself, list your skills, and link to your work—kind of like an online resume (you could even put the URL on your Twitter profile or in your email signature). Carrd is one of the best free options for this, and lets you pick from a selection of simple but attractive templates, then add images and text....

With more than 82 million tracks available at the push of a button, Spotify gives you access to more music than you could possibly listen to in a lifetime—a rather daunting catalog when all you want to do is pick out a playlist for a summer drive or evening chill out. But if you don’t want to build your own playlists manually, you don’t have to. Whether you’re a free or premium user, Spotify offers a wide choice of playlists auto-generated from what you’ve listened to in the past and who your favorite artists are....

Several years ago, emergency physician Jeremy Joslin found himself overseeing an ultramarathon in the backcountry of Cambodia. Once they’d finished the event, many of the athletes wanted to cool off and noticed an inviting stream nearby. “After a few minutes, the screams started,” says Joslin, who is based at SUNY Upstate Medical University in Syracuse. It was not long before people began hurrying back to camp—along with the multiple leeches that had become attached to their bodies....

Materials needed: 2 small DC gear reduction motors—what’s used here can be found as a “micro gear box speed reduction motor,” and is available in a variety of RPM specifications2 CR2032 coin cell batteries6 LDRs, or Light-Dependent ResistorsWheels purchased or salvaged from a toy car½-inch-thick wood, medium-density fiberboard, or other similar materialPerfboard (optional) Tools needed: Soldering ironGlue gunDrill with bit set and hole sawRouter, mill, table saw, or other tool for adding cavities to wood...

You’ve beefed up the security for your online accounts, so you feel confident sticking your smartphone in your pocket and heading out the door. But many consumers don’t realize that the software in their phones can track their every move. Whether you have an iOS or Android device, Apple and Google can collect data about how you use it: the places you go, the apps you run, the search queries you type into the web browser, and so on....

Looking for something to do while you’re stuck at home during the COVID-19 quarantine? Planning ahead for the day that the food pantry is bare? Gardening is a great activity in the springtime and anyone can grow food, even if you’re stuck in an apartment. You’ll just need a spot with ample sunlight, some dirt and water, something to start growing, and a generous amount of patience. Whether you’re gardening just as a pastime or doing it as a food security strategy, you might be surprised how rewarding it can be....

To improve your odds of making it through the end of the world, view the larger version of the infographic below. Read the full story, with way more helpful advice, in our March 1951 issue.

These days, it’s much easier to get Google Calendar and the iOS, iPadOS, and macOS calendar apps to play nicely. The link between the two companies’ scheduling services has matured, though it’s not flawless. There’s still a bit of arbitrary chaos lingering in their relationship. Now, on Settings > Calendar > Accounts, you’ll see a Gmail entry, as well as what data it’s syncing. If you see Calendars there, you’re all set....

Drag the top or bottom edges of the Chat and Meet panels on the left sidebar to alter their size and arrange them as you want on screen. It can also be useful to keep your most important contacts near the top of the list—do it by clicking the three dots next to a name and choosing Pin. Click on a contact to have the conversation pop up. If you click the three dots in the top right corner of the chat window, you can choose whether to save the chat history....