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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Plastid composition of egg cells from green, white, and variegated four-o'clock plants. Plastid composition of egg cells from green, white, and variegated four-o'clock plants.
This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north This moose exploits the twigs and buds of woody plants for the food it needs to survive a cold north
Plants Plants
Plants Plants
Biosynthetic Families of Amino Acids in Bacteria and Plants Biosynthetic Families of Amino Acids in Bacteria and Plants
Hydrogen-bond donors and acceptors in water Hydrogen-bond donors and acceptors in water
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

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