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Did you know?

Thyroid conditions may make getting pregnant impossible.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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There are 60,000 miles of blood vessels in every adult human.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Some organisms used as models in genetic research Some organisms used as models in genetic research
Green-glowing genetically modified mice embryos Green-glowing genetically modified mice embryos
The Atmosphere’s Oxygen Came from Photosynthetic Organisms The Atmosphere’s Oxygen Came from Photosynthetic Organisms
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
Spontaneous Mutation Rates at Various Loci in Different Organisms Spontaneous Mutation Rates at Various Loci in Different Organisms
A nerve cell (neuron) has extensions called dendrites A nerve cell (neuron) has extensions called dendrites
Video: Ciliate conjugation Animation

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