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The easy answer is that truly accurate calorie expenditure can't be obtained from your wrist. As smartwatches are unable to measure your metabolism, they have to analyze data such as heart rate measurements or the distance you've covered during a run before they can make a ballpark guess at how many calories you've burned. Whereas fitness wearables can directly measure your heart rate from your wrist, energy expenditure has to be calculated through proxy methods, such as machine learning algorithms. Anna Shcherbina, an assistant professor who also worked on the Stanford University study mentioned above, partially blames the algorithms wearables are using to assess calorie output. "My take on this is that it's very hard to train an algorithm that would be accurate across a wide variety of people because energy expenditure is variable based on someone's fitness level, height and weight, etc," stated Shcherbina.

From the beginning of my course, I've been thinking about what my graduation dress was going to be, says Keerthana Krishnadas. I had to make sure I looked 10 out of 10, I couldn't compromise on that. She is one of hundreds of thousands of university students graduating this summer and, like many, has been figuring out what to wear for a photo marking one of life's milestones - without breaking the bank. You can save some bucks if you thrift your outfit because you're only going to wear it once, says Keerthana. She bought hers second hand.

When you purchase through links in our articles, we may earn a small commission. This $19.97 lifetime pass lets you learn almost anything at your own pace Learning new skills doesn't have to come with a college-sized price tag. Instead of paying for individual classes or expensive boot camps, EDU Unlimited by StackSkills gives you lifetime access to more than 1,000 courses covering everything from tech to business, all for $19.97 through July 26 (MSRP $600). From coding and marketing to creative hobbies like photography or design, StackSkills lets you build your dream skill set at your own pace, without the pressure. This one-time payment opens the door to endless topics, so you can explore, jump around, and binge-learn as much as you want.

What happens if you eat too many gummy vitamins? More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. They're awfully yummy, but are they good for you? Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Last month, more than a hundred Stanford students left their own graduation to protest Google's military contracts and deals with ICE. Two organizers, Amanda Campos and Eva Jones, tell us why. Are the kids all right? The answer to that question probably depends on your criteria. At the very least, I can tell you that some of them are most definitely very mad. The anger percolating among America's youth was on display this graduation season, as college students across the country booed and jeered several high-profile commencement speakers who dared discuss--let alone extol the benefits of-- artificial intelligence . While AI use among college kids is widespread, so too is the fear and mistrust about what the technology might mean for the future. A recent Gallup poll found that Gen Z sentiment toward AI has significantly declined, with only 22 percent of respondents expressing excitement about the tech--and anxiety around AI affecting 42 percent of them. Among the commencement speech chaos, though, one school stood out to me: Stanford University. The California-based institution, long a key hub for Silicon Valley recruiting and a pipeline into elite tech gigs, this year saw more than a hundred students walk out of Google CEO Sundar Pichai's remarks to graduates. Ironically, Pichai didn't explicitly mention AI in his address at all.

Feeding skunk kits is a careful art involving 15 cups of fruit and veggies, a dozen eggs, and 15 cups of dog food, and more food in a single day. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Please sir, may I have some more? Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Can you eat too much sugar free candy? But it'll probably just send you running to the bathroom. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Sugar-free candy generally replaces sugar with either artificial sweeteners or sugar alcohols. Breakthroughs, discoveries, and DIY tips sent six days a week.

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Children under 16 will be banned from buying high-caffeine energy drinks in England from April, the government has said. Drinks containing more than 150mg of caffeine per litre will be illegal to sell to children and younger teenagers in shops, restaurants, cafes, vending machines and online. Lower-caffeine soft drinks, such Diet Coke, are not affected and neither are tea and coffee. However, drinks including Red Bull, Monster, Relentless and Prime would all breach the limit. The new rules aim to reduce obesity levels in children and prevent issues such as disrupted sleep, increased anxiety and lack of concentration, as well as poor school results.