Apple announced at WWDC 2019 that it is bringing Dark Mode to iOS to give anyone with an iPhone the chance to use the alternative color scheme. Until this year, Dark Mode was only available with MacOS on Mac computers. The new feature is currently in Apple's beta iOS and should be available with iOS 13, which will come out with the newest iPhone in September. What is dark mode? Like its name implies, dark mode darkens the user interface on Apple devices. Basically, the appearance is inverted so that instead of black text on a white background, you see light or white text on a black background. The feature is system-wide, so all native Apple apps will support dark mode, and so will your notifications and widgets. Plus, Dark Mode will be available for third-party developers to make it part of their app. The effect is most noticeable on apps where the majority appears white, such as Apple Health and Calendar. Read more: Dark mode is coming to iOS 13, but these iPhone apps have it … [Read more...] about Why you should use dark mode on the iPhone
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Postinflammatory Hyperpigmentation: Out, Out, Damned Spot! The dark spots that form around acne blemishes result from a condition called postinflammatory hyperpigmentation. Sometimes they're fairly light and unnoticeable, and sometimes they're large dark marks. This condition can also be caused by excessively dry skin. Dry skin can occur as a result of acne treatment, especially when moisturizers are not used following application of treatments that have a heavy alcohol content or contain salicylic acid. Your skin has its own immune system that acts and reacts to stimulation or invasion of the skin. Sometimes these responses are helpful, and sometimes they just contribute to further problems. When there's inflammation of skin caused by acne or dryness, certain substances are released by the body, such as arachidonic acid, prostaglandins and leukotrienes. These substances speed up and increase the functioning ofmelanocytes (melanin-producing cells) in the epidermis, which then … [Read more...] about Why does acne cause dark spots on your skin?
HowStuffWorks Cheetah, puma, jaguar, panther, tiger, leopard, snow leopard and lion. Zoo exhibit? Animal Planet lineup? Actually, these are monikers for each version of Apple's OS X operating system. Cheetah was released in March 2001 and the newest incarnation of OS X, Lion (v10.7), was released in January 2011. Apple isn't the only computer company to name its offerings after images easily conjured by the general public. Google, for example, names its Android operating systems after sweets like cupcakes, gingerbread and honeycomb [source: Sutter]. While Google isn't likely to run out of dessert titles anytime soon, there are a finite number of big cat species -- and Apple's already named an operating system after almost all of them (they've got Lynx and Cougar trademarked, too). There are, however, still a couple dozen species of small- and medium-sized wild cats whose names are still up for grabs, like the ocelot and jaguarundi. With Apple's penchant for consistently naming its … [Read more...] about Why does Apple name its OSs after big cats?
Image Gallery: Back to Work For many new mothers, the end of maternity leave comes much too soon. You know you're ready to go back to work when ... Hemera/Thinkstock You've finally got the diaper bag fully stocked, the baby is beginning to sleep through the night (well, mostly) and you feel like you're really starting to have this mommy thing down. Your maternity leave must be almost over. One of the hardest parts of motherhood is tearing yourself away from your new baby to head back to work, and it seems to happen right when you and your child have hit your stride. Why does maternity leave end just when things are getting good? … [Read more...] about Why does maternity leave end when the baby gets fun?
These runners at the starting line my notice an industrial scent by the finish. David Madison/Photodisc/Getty Images The human body relies on a balanced intake of carbohydrates, proteins and fats to function properly. If the scales shift too far off the mark in a particular dietary direction, signs of improper nutrition can crop up -- and sweat that smells like ammonia is one of those. Luckily, if exercise leaves you smelling somewhere between industrial strength cleaner and fresh cat urine, there's a pretty easy fix. Carbohydrates are the powerhouses of energy production in the body, and fats work as their supercharged backups. Proteins are also incredibly important for proper bodily function -- including kicking in some extra juice if needed -- but it's best if they're mainly left to cover their other responsibilities. Some examples of proteins' many roles include forming structural components like collagen and connective tissue, inducing muscle movement, regulating bodily … [Read more...] about Why does your sweat sometimes smell like ammonia?