clhs sciblog

Musings on current happenings in science from our little slice of the world.

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Entries from March 21st, 2010

Why Female Moths are Big and Beautiful

March 21st, 2010 · No Comments · Biology

Biologists noticed a long time ago that in nature, the sizes and sometimes looks of an organism are different then that of the opposite sex, but they couldn’t figure out how the same species could be different sizes when they share the same genetic blueprints. In mammals it is very common for the male to [...]

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Different Plants have Different Effects on Cows

March 21st, 2010 · 1 Comment · Biology

Scientists in Woodward, Oklahoma, have found that when cows have more leaves near their tongues they grow faster. Studies have shown that cows like leaves that they can wrap around their tongues easily. They have found that certain plants that produce more leaves and have bigger leaves have shown that they are healthier for cows. [...]

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Tryptophan-Enriched Diet Reduces Pig Aggression

March 21st, 2010 · No Comments · Biology

The Agricultural Research Service (ARS) has discovered that feeding the amino acid tryptophan to female pigs can make them less aggressive. This discovery was lead by a ARS student Rosangela Poletto and animal scientist Jeremy Marchantforde. The amino acid tryptophan increases the neurotransmitter serotonin which makes the swine more relaxed and makes it easier for [...]

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Prescribed Fires Said to Reduce Carbon Footprint

March 21st, 2010 · No Comments · Biology

A great amount of carbon dioxide is released into the air everyday. One of the many reasons that happens is because of the many wildfires that happen in United States forests. Some forests tend to over grow and when summers become drier, it lends to more fires. When trees are very large they release enormous amounts of carbon dioxide. These [...]

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Fungus-Fescue Combination Creates Plant Diversity

March 21st, 2010 · No Comments · Biology

A recent, thorough investigation of fescue grass has given scientists insight into insect, animal, and plant communities. Scientists discovered that a closely related fungus is inside the fescue grass and that this fungus has a large effect on the communities. The fescue allows the fungus because it is a mutally benefitting relationship. The fescue gives the [...]

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