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Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Fusiform Face Area and Autism Fusiform Face Area and Autism
Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis. Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis.
Top: Autoclave tape before sterilization. Bottom: Autoclave tape after sterilization. Top: Autoclave tape before sterilization. Bottom: Autoclave tape after sterilization.
Effleurage with palms to reconnect the hip area to the leg. Slide the palms from foot to around the ... Effleurage with palms to reconnect the hip area to the leg. Slide the palms from foot to around the ...
Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ... Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ...
In Maslow's view, needs operate from the bottom up in this needs hierarchy In Maslow's view, needs operate from the bottom up in this needs hierarchy
Video: What is Reverse Osmosis?

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