Rana Sylvatica

Freezes (-1 to -6) 

Organs dehydrate

Protection (cryoprotection)

Eating shit

Dung beetles

Cardiovascular disease

plaque in arteries

stimulates clotting

genetic/exercisedietsmoking

Giant dragonfly

Carboniferous (300 mya)

needed more oxygen to survive

now O2=20%

used to be 35%

time~ (length)^2

Typhoid fever 1900s

healthy carrier (cook)

linked to 47 cases

Canadian Flight attendant

LA,NY,SF, Paris

>100 partners/yr

"Patient zero"

SARS (severe acute respiratory syndrome)

100+ infections linked to 26 yr old flight attendant

20% of people spread 80% of infections

Vampire bat

3 species in South America

Feed on sleeping mammals (Not humans)

Saliva keeps wound open

-Draculin (anticoagulant) - drink, not suck blood

Excretory system (20g of blood in 20 minutes-half it's weight)

Dilute urine (mostly pasma)

Kiss and transfer blood to family

Natural or sysnthetic compounds

Interfere with normal endocrine function (all over environment)

Potent at even low concentration, and very difficult to detect

Exact effects on humans not entirely known (DES: cancer, faulty immunity)-sperm count, onset puberty, IQ, cancer.

Frogs intersex!