Try Your Hand at the Bridge and Torch Problem

There are a large number of “river crossing puzzles” in the world of logic puzzles, in which people must cross a river with a variety of constraints. One of the most popular of these puzzles is the Bridge and Torch Problem, which tests your logic skills and your rational thinking. Though it may seem like a simple enough question, the answer to this tricky word problem eludes many of the people who try to solve it.

In the Bridge and Torch Problem, four people approach a riverbank at night. The narrow bridge nearby can only hold two people at a time. They only have one torch, but it has to be used when crossing the bridge. It takes Person A one minute to cross, Person B two minutes to cross, Person C five minutes, and Person D eight minutes. Two people crossing the bridge together must move at the slower person’s pace.

Can all of the people cross the bridge in 15 minutes or less? Once you reach an answer, check it here!

4 Foods to Avoid Before Bedtime

If you’re the type of person who loves a good midnight snack, you may be wreaking havoc on your quality of sleep without even realizing it. While some foods are okay to eat right before bed, others will make it much more difficult to drift off into a dream state. Here are a few foods to avoid before hitting the hay!

  1. Potato chips. Foods that are filled with grease and fat, such as potato chips or French fries, take quite a bit more effort to digest. With your stomach working overtime, it is much more difficult to fall asleep.
  2. Ice cream. Think twice before having that bowl of ice cream while watching late night TV. Fatty foods like this are also more difficult to digest, which could lead to you lying awake with cramps and discomfort.
  3. Candy. Sugar-packed candies will cause your blood sugar levels to spike, leaving you feeling too restless for rest.
  4. Red meat. If you grab a fast food burger on your drive home after a late night, you may not be able to fall asleep once you actually crawl into bed. Red meats like this sit in your stomach much longer than other types of foods, and your body uses a lot more effort to digest them.

9 Things Your Should Never Eat or Drink After 9PM [Bodybuilding.com]
The 5 Worst Types of Foods to Eat Late at Night [Prevention]
The 10 Best and Worst Foods to Eat for Sleep [Fitness]
10 Foods to Avoid Before Bed [Fox News Health]

Did You Know These Cool Facts About Tea?

There are few things more relaxing than kicking back after a long day with a hot mug of tea, but how much do you really know about the brew that you’re sipping? From its numerous health benefits to its rich, global history, there’s a whole lot to learn about this fascinating beverage!

  • Tea bags were originally designed in the early 1800s. They were created to hold samples of tea brought to America from India. Today, tea bags are much more commonly used than loose-leaf varieties.
  • Darjeeling tea is the world’s rarest tea. It gets its name because it's grown in the Indian region of Darjeeling. While many types of teas are labeled Darjeeling, only 1/4 are actually from the region!
  • While tea styles like black, green, white, and oolong taste very distinct, they all come from the same Camellia sinensis plant. It's the way the leaves are harvested and treated that determines their color and variety.
  • Herbal teas are not really teas at all. Rather, they're infused fruits, flowers, plants, and herbs.
  • China is the world’s largest tea producer. The country supplies 29% of the tea in the world. India comes in a close second.
  • The Chinese are not the world’s largest tea consumers. That title belongs to the United Arab Emirates!

Tea Facts from A to Z: 26 Things You Didn’t Know About Tea [Fine Dining Lovers]
Tea Fact Sheet – 2014 [Tea Association]
10 Interesting Facts About Tea — Iron Chef America Ingredients 101 [Food Network]

How to Help Ensure Your Growing Teen Is Getting the Proper Nutrition

Teenagers may seem like they don’t need your help with anything, but as a parent, you know that this simply isn’t true. When it comes to proper nutrition, your growing teen needs you more than ever. Here are a few smart tips to help ensure that your teenager is eating the right foods and maintaining a healthy lifestyle.

  1. Have regular meals together. Eating together doesn’t just bring you closer as a family, it also ensures that your son or daughter eats a well-balanced dinner every evening. Prepare meals with lots of whole grains, lean meats and fish, and fresh vegetables.
  2. Prepare more food. As your child becomes a teenager, his or her appetite will begin to increase dramatically. Keep teens energized by serving larger portions at mealtime and keeping lots of healthy snacks on hand.
  3. Limit saturated fats and sugars. Even if your teen loves to snack on potato chips and chocolate candies, these things can contribute to certain diseases later in life. Try to limit the foods that contain saturated fats, sugars, and sodium in your household.
  4. Increase calcium intake. Because teenagers typically go through growth spurts, they require much more calcium than children and adults. Serve low fat milks, yogurt, or even calcium supplements. Ask your child's doctor for advice.

Nutrition for Children and Teens [HelpGuide.org]
A Teenager’s Nutritional Needs [HealthyChildren.org]
Do Teens Have Different Nutritional Needs Than Adults? [SF Gate]

Interesting Facts About Chocolate You Might Not Already Know

You may consider yourself a bit of a chocoholic, but there’s a lot you might not know about rich, decadent chocolate. Before you grab that tasty square of dark chocolate or have a scoop of chocolate ice cream for dessert, read up on these interesting chocolate facts!

  • It takes many cocoa beans to make chocolate. Between 300 and 600 cocoa beans are needed to make just one kilogram of chocolate!
  • There are three different types of cocoa used in modern chocolate making. Forastero cocoa is harvested in the Amazon and used in 90% of the world’s chocolate; Criollo beans are grown in Central and South America and are the rarest types of beans; Trinitario beans are hybrids of the other two.
  • Cocoa beans must be roasted just like coffee beans to create chocolate.
  • Ever wondered what the percentage on a chocolate bar refers to? It describes how much of the bar’s weight comes from the cocoa bean, and it impacts the darkness of the bar.
  • Dark chocolate is good for you. It's packed with antioxidants and is believed to help reduce blood pressure and improve the cardiovascular system.
  • Eating dark chocolate every day can cut your risk of heart disease by one-third.
  • The ancient Aztecs and Mayans once used chocolate as currency. People used cocoa beans to buy food, tools and livestock.

11 Facts About Chocolate [Do Something]
10 Fascinating Facts About the World of Chocolate [Listverse]
Facts about Chocolate [Purdy’s]

How to Ensure You’re Safely Serving and Preparing Eggs

Eggs are essential ingredients in a number of dishes, but they can also be dangerous to your health if handled incorrectly. To reduce your risk of salmonella and other diseases that come from eggs, follow these important guidelines.

  1. Shop smart. The first step toward healthy egg care is inspecting your eggs in the grocery store for cracks or dirty appearance. Also be sure to only purchase eggs that are stored in a refrigerated case.
  2. Store them properly. Eggs should be stored in a clean spot in the refrigerator at 40°F or lower.
  3. Cook them thoroughly. If you’re preparing scrambled eggs or another egg dish, be sure that both the yolk and white are firm and that the egg reaches a temperature of 160°F. Never eat batter or dough containing raw eggs before it's cooked or baked.
  4. Store egg dishes properly. Dishes made of only eggs cannot be stored, so be sure to eat them immediately after cooking. If you prepare something else that contains eggs, always keep it refrigerated.
  5. Keep it clean. Even if you use the utmost care when handling eggs, it’s essential to wash your hands, cooking and prep surfaces, and any utensils thoroughly to remove any traces of eggs. Wash hands and utensils with hot, soapy water, and scrub kitchen countertops with bleach or another germ-killing product.

Playing It Safe With Eggs [FDA]
Eggs & Food Safety [Incredible Egg]
Tips to Reduce Your Risk of Salmonella from Eggs [CDC]

What to Keep in Mind When Counting Calories

You know that counting calories is essential when it comes to losing weight, but do you really understand exactly what calories are? Here are a few things that you should understand about your caloric intake.

  1. Know the definition. A calorie is a term used to describe how much energy there is in a food. Your body needs a certain amount of calories to function, but excess calories turn into fat.
  2. Know your limit. Everyone has a different daily calorie limit, and it all depends on your sex, age, height, and weight. You’ll need to visit a doctor or find a chart online to determine your personal recommended daily intake.
  3. Create a calorie log. Keep track of how many calories you consume by recording your meals in a daily diary.
  4. Evenly distribute calories. Plan ahead of time so that you can split up your calories between each meal of the day. Be careful not to consume the majority of your calories in the morning, because you won’t have many remaining to "spend" on dinner.
  5. Beware of beverages. Many people don’t realize it, but the calories in drinks can really take a toll on your daily calorie limit. Be careful to record all of the beverages that you consume in addition to your meals.

Eat the Right Amount of Calories For You [Choose My Plate]
Estimated Calorie Requirements [WebMD]
American Cancer Society Calorie Counter [American Cancer Society]

Need More Reasons to Work Out Regularly? Read About the Health Benefits of Exercise!

You know that working out is good for your health, but if you’re like most people, it can be difficult to fit regular workouts into your busy schedule. Instead of making excuses, check out these health benefits that just might motivate you to squeeze a few more workouts into your routine.

  • It regulates your weight. This one might seem like a no-brainer, but managing your weight is important for reasons far beyond your looks. Maintaining a healthy weight also helps to prevent chronic illness and help keep you feeling energized.
  • It improves your mood. If your stationary lifestyle makes you feel sluggish and depressed, take a walk outside in the sunshine or hop on your bike for a ride around town. Even gentle physical activity stimulates the feel-good chemicals in your brain and helps boost your self-esteem.
  • It combats existing health conditions. If you have heart disease, high blood pressure, or diabetes (or you’re just worried about getting them), regular exercise boosts your production of “good” cholesterol and decreases your production of harmful triglycerides.
  • It prevents against cancer. That’s right: regular workouts have been proven to prevent against certain types of cancer, including breast cancer, colon cancer, and certain types of lung cancer.

Exercise: 7 benefits of regular physical activity [Mayo Clinic]
The Benefits of Physical Activity [Harvard]
Chapter 2: Physical Activity Has Many Health Benefits [Health.gov]

How to Fight Insomnia and Get a Better Night’s Sleep

If you spend most nights tossing and turning for hours, you likely spend your days feeling tired, irritable, and unable to concentrate. Insomnia affects more people than you might think, but these proven tips can help you get a good night’s sleep.

  1. Set a schedule. If you often go to bed at very different times, it could be a cause of your insomnia. Try to set a bedtime for yourself and stick to it so that your body gets used to falling asleep at the same time each night.
  2. Give yourself 15 minutes. If you can’t fall asleep within 15 minutes of going to bed, get up and do something else. Lying awake for hours could cause you to stress out more, so try to tire yourself out by reading or washing the dishes.
  3. Change your diet. Don’t eat right before you go to bed, but try not to go to bed hungry, either. You likely already know that you shouldn’t drink caffeine before bedtime, but try to avoid alcohol, as well.
  4. Create a comfortable sleep space. If you still have trouble sleeping, it may be your surroundings. Wear earplugs if the outside noise is too loud, replace your blankets to suit your temperature needs, or add a mattress pad if your bed is uncomfortable.

20 Ways To Sleep Better Every Night [Prevention]
Sleep tips: 7 steps to better sleep [Mayo Clinic]
How to Sleep Better [Help Guide]
Healthy Sleep Tips [National Sleep Foundation]
How To Get A Better Night's Sleep [Sleepless in America]

How to Identify the Freshest Fruit at the Supermarket

Fresh, ripe fruit plays an important part in any healthy diet, but it can be frustrating when your juicy apples get brown and bruised just days after purchasing them. If you'd like to select the ripest, freshest produce at the grocery store, check out these four tips!

  1. Feel the weight. Fruits like melons, oranges, and lemons feel heavier when they’re ripe with juice, so pick them up before choosing which ones to buy. The fruit should feel heavy for its size if it’s truly ripe.
  2. Test the texture. The above fruit should also feel firm to the touch, but not so firm that they feel dry and hard inside. Give them a gentle squeeze to check for bruising, as well.
  3. Use your sense of smell. Fruits like berries, grapes, and nectarines begin to smell sour or rotten when they’re past their prime, so be sure to give them a good whiff before purchasing. Most fruits will give off a light, sweet scent when they’re ready to consume.
  4. Inspect the whole surface. If all else fails, use your best judgment by simply inspecting the fruit. Turn over a melon or apple to check for bruising or discoloration, take a quick peek through a bag of grapes or oranges to see if any are mushy or rotten, and consider the color of the fruit’s skin, as this can often tell if it is too ripe.

How to Select Fresh, Ripe Produce [Lifehacker]
How to Pick Fruits & Veggies [Good Housekeeping]
Raw Produce: Selecting and Serving it Safely [FDA]
Choosing Fresh Fruits and Vegetables [Family Circle]

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