Twilliams scientific/social blog

We all want to have a perfect smile, and the teeth are the calling card of a person which generates a good impression to others. ghhjk This is the reason why all of us want to have white and neat teeth. The first step, if you want to steal the look of all and open the doors of the world, is maintaining good oral hygiene. We give you the perfect home remedy you should utilize if you want to whiten your teeth in two minutes. You do not have to spend money on expensive dental treatments. To get the smile you want, you should use this trick. See how you can clean your teeth quickly, by utilizing this simple, effective and powerful method. You will just need a couple of common and highly available ingredients you can find in your store: baking soda and lemon. Make sure that these two ingredients are close at your hands, and then follow these steps if you want to correctly utilize this home treatment: Add a tablespoon of baking soda in a bowl. Cut the lemon in two halves T

About 85% of sexually active women who do not use contraceptives become pregnant within a year. A woman can become pregnant while breastfeeding, from about 10 days after childbirth, and even during her menstruation. Withdrawal of the penis prior to ejaculation and periodic abstinence does not prevent pregnancy or spread of sexually transmitted diseases. Here you can read more about several forms of contraceptives. You can prevent an unwanted pregnancy with: Total Abstinence Use of contraceptives If you are sexually active and do not want to get pregnant, always use contraception. Methods of Contraception: No method of contraception gives 100% protection. The male latex condom is the only contraceptive method considered highly effective in reducing the risk of sexually transmitted diseases (STD’s). Birth control pills, Implant and IUDs do not protect against STD infection. For the Woman DIAPHRAGM is a rubber disk with a flexible rim that covers the cervix and must be u

Forgot to take your pills? Missed a shot? Condom break? Forced to have s*x? No matter how it happened, if you’ve had unprotected s*x, you still have up to five days to prevent an unwanted pregnancy. Emergency Contraception – a medication to prevent ‎pregnancy should be taken as soon as possible or up to ‎five days (120 hours) after sex without birth control . a ‎concentrated dose of the same hormones in regular birth ‎control pills , not the same medication as RU-486 (the ‎abortion pill) Also called: Plan B®, EC, the Morning ‎After Pill. There are two ways to prevent pregnancy using Emergency Contraception: 1. Plan B ® is the most common method of emergency contraception because: It is designed to prevent pregnancy after sex It works the best It has the fewest side effects It is available without a prescription to women aged 18 and older Women under age 18 can get a prescription from their healthcare provider In some states, women of all ages, including those u

The world has changed and moving at a very fast pace to catch up with the future cars drive themselves and plane flight without human pilots. The big question among automakers is whether they will be the ones to provide new technologies — and profit from them — or will major tech companies like Google and Apple take a slice of the industry. For now, the two sides are balancing cooperation against competition as they gauge what the future holds. General Motors CEO Mary Barra succinctly expressed a common view, asserting that “we will see more change in the industry in the next five to 10 years than we have in the last 50.” Germany Launches Transparent Car (Photos) Dieter Zetsche, the head of Daimler AG, described the car and technology companies as being “frenemies.” If Apple or Google starts making cars — something neither has said it intends to do — “then we are competitors.” New technologies could lead to all sorts of innovations, such as real-time navigating around a slippery s