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America’s immigration system is broken. Too many employers game the system by hiring undocumented workers, and there are 11 million people living in the shadows.

Neither is good for the economy or the country. President Obama is eager to work with both the House and the Senate on a comprehensive solution to immigration reform, similar to the bipartisan legislation that passed the Senate in 2013.

America’s immigration system is broken. Too many employers game the system by hiring undocumented workers, and there are 11 million people living in t

We experience some deep, quiet sleep and some active sleep, which is when dreams happen. You might think sleepwalking would happen during active sleep, but a person isn't physically active during active sleep. Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave or deep sleep.

Sleepwalking may run in families and sometimes occurs when a person is sick, has a fever, is not getting enough sleep, or is stressed.

Zoos are premises for the captivity of animals, often in urban areas where many of the animals would not otherwise be found, with the intention of studying the animals and displaying them to the public at large. The predecessor of the zoo was the menagerie, which involved the captivity of birds typically for the entertainment of the aristocracy, and has a long history running back to ancient times. The first modern zoo evolved out of an aristocratic menagerie in Vienna in 1765. Many types of zoo now exist, from the petting zoos that encourage the public to get up and close with the animals to the large nature reserves that provide space for the animals to roam around within and most famously the large, urban zoos like the London Zoo which include elephants, lions and penguins and are usually notable tourist drawcards for the cities concerned. Proponents argue that zoos are beneficial both to the animals themselves, protecting endangered species with specific breeding programs, and the public, as an educational tool to increase both awareness and understanding. Opponents respond that the removal of wild animals from their habitat is wrong, that they should be left in their natural surroundings and not used as tools for public entertainment. Show less

ARE YOU A SUPERTASTER? To find out, put blue food coloring on your tongue. Blue dye doesn't stick to taste papillae, so if your tongue doesn't get very blue, you're probably a supertaster. The bluer it gets, the greater the chance you are a subtaster. More hot sauce!

People who have a lot of papillae—the bumps on our tongue, most of which house our taste buds—often find flavors overwhelming. They're "supertasters," and as such they add cream to their coffee and order food mild instead of spicy. Subtasters, on the other hand, have low papillae density and prefer their chicken wings "atomic."

Most toxic plants taste bitter, and nomadic groups that came into contact with a variety of plants would have, over time, developed a variety of receptors. People from malaria-infested parts of the world tend to carry a gene that makes them less sensitive to some bitter compounds, specifically those that contain cyanide.

d. He had brothers, Thorvald and Thorstein, and a half-sister, Freydis. In the year 999 BCE, Ericsson sailed to Norway to visit King Olaf Trygvson. On his way the ship was blown off course and he landed on one of the Hebrides islands. Continuing poor weather made it impossible for him to leave so he spent the summer on the island.

. She gave birth to his son and as his departure date drew near, she asked that he take her with him. He refused, citing her family connections. Thorgunna had a reputation for being able to predict the future, and vowed that even though Leif was leaving them, one day she and their son would journey to find him and the experience would not be a good one.

, while other sources claim that when the boy was old enough to travel, he found Leif.