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Seeing In The Dark

In the movies, there are all sorts of nasty things that can see perfectly well in the dark. More realistic movies also boast their share of 'beasts' that can see in the dark. Who could forget the eerie sight of FBI trainee Clarice Starling being stalked in the pitch-dark basement of the psychotic killer's torture house? The insecurity and near ...

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SeeingInTheDark
Biology

The Handsome Betta Fish

The Betta fish is possibly the most handsome tropical fish out there. We say handsome because the male of the species is the bigger and more exotic one. Referred to as the jewel of the Orient, Betta ... Continue reading

BettaFish
Biology

Neurogenesis

Until recently, any doctor would have told you that when you lose brain cells, you can never replace them. Scientists now know that the human brain has the ability to regenerate brain cells, or ... Continue reading

Neurogenesis
Medicine

Fighting Viruses

Viral diseases can be very difficult to treat because viruses live inside the body's cells where they are protected from medicines in the blood stream. Researchers developed the first antiviral drug ... Continue reading

FightingViruses
Biology

Steller Sea Lion Biology

The Steller sea lion (Eumetopias jubatus) is the largest member of the Otariid (eared seal) family. Males may be up to 325 cm (10-11 ft) in length and can weigh up to 1,100 kg (2,400 lb). Females are ... Continue reading

StellerSeaLionBiology

Is Heartburn a Heart Burn?

IsHeartburnaHeartBurnHeartburn is a bad name for a complaint that has nothing to do with the heart. TV ads call it acid indigestion. It's a burning sensation that begins under the breastbone and moves up into the throat. The pain may be at its worst when lying down or bending over. It may feel like bitter liquid rising into the throat or mouth. If it happens frequently, doctors call it GERD (for gastroesophageal reflux disease).

It happens when acid escapes back through the valve at the top of the stomach and moves up into the esophagus. Sixty million Americans say they get it at least once a month. Heartburn is common after a big meal, and some foods--such as tomato sauce, fried food, sour beverages, coffee, or soft drinks--trigger it in some people. It's more common among people who are overweight, smoke, or drink too much alcohol. It can be associated with a stomach ulcer or a hiatal hernia, which is a bulge of part of the stomach into the chest cavity. The hernia causes the stomach valve to work improperly.

Some people find they can avoid heartburn by watching what they eat and drink, learning to relax, and not eating two or three hours before bedtime. Over-the-counter antacids are effective for many. They make stomach acid less acid. When antacids fail, doctors recommend prescription drugs. In severe cases, a surgeon can stitch the stomach valve tighter, preventing the backup of acid.