youshouldknow

YSK - X percent of Y is equal to Y percent of X. So, if you want to find out what 7% of 50 is, you could instead find out what 50% of 7 is, which is 3.5. This means that 7% of 50 is also equal to 3.5.

Why YSK: It helps when calculating percentages. If you want to find out what 2% of 20 is, do 20% of 2 instead and you’ll get 0.4. So, 2% of 20 also equals 0.4....

YSK: Every car sold in the US from 2018 onwards is REQUIRED to have a backup camera -- It's not an extra feature

Why YSK: Since May 2018, all newly-built cars sold in the United States are required to have a backup camera and video display for the camera. Many car dealers, both used and new, will advertise the backup camera as some kind of added luxury or special option and try to charge you more for it. Don’t bite the bait and...

YSK: When traveling abroad, hand gestures can mean different things in different cultures.

Why YSK: No sense in making the locals mad unless you mean to. In some Middle Eastern countries, a thumbs-up is comparable to the middle finger. A peace sign in the UK is OK if your palm is facing away from you; otherwise, it’s an insult. Pointing with your index finger is offensive in Malaysia. An OK symbol is not OK in...

YSK: There is a bot spam posting reddit content, and blocking it will improve your experience sorting by All

Why YSK: This bot is constantly reposting reddit content to its own lemmy instance, lemmit.online. Most of it goes completely unnoticed and produces no discussion. If you like using All to find new communities, and sort by New, all you’ll see is this bot. Its highest upvoted post has 40 upvotes and 0 comments, and it has over...

YSK Why American-style suburbs are a Ponzi scheme ( www.youtube.com )

The financial unsustainability of traditional, car-centric American suburbs, consisting mainly of single-family units, is a critical aspect of the problem of urban sprawl. The design of these suburbs necessitates constant expansion into undeveloped land. This is because the initial infrastructure costs, such as roads, utilities,...

YSK hands, feet and the upper part of your face are the most effective vectors of heat relief, while draping a cold towel around your neck can actually stop you from cooling down. ( www.scientificamerican.com )

Why YSK: "Our bodies have a kind of emergency temperature relief valve. That valve is a special type of blood vessel: they’re called arteriovenous anastomoses. Most arteries and veins connect through a bed of very thin capillaries that bring nutrients and oxygen to cells. AVAs, though, are different. They are direct junctions...

YSK: Deer and rabbits "park" their babies and spend most of the day away from them. If you find a baby all alone, it is almost definitely not abandoned.

Why YSK: DON’T bring it somewhere to ‘save’ it unless it’s in immediate danger - you’re probably just kidnapping it from its mom. People find baby deer or rabbits with no parents nearby and think they’re abandoned, so they bring them to shelters to try to “save them”. In reality they’re just forcibly separating...

YSK that first aid changed quite a bit in the last few years, so if haven't done training recently, you should! ( www.redcross.org.uk )

Why YSK: there has been quite a development in the first aid medicine and some things we used to learn are now regarded as myths and should be avoided. Anyway it always good to, keep your first aid knowledge up to date.

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