scientific
FALSIFIABLE coins, roulette wheel/ball.
Dragonflies that cross oceans: simple observations lead to breathtaking discoveries
4:30-5:30 Maldives islands: hundreds Globe Skimmers, no fresh water
7:20 against monsoon; up in
NE monsoon.
9:40 to Africa 16000 km circuit, 4 generations.
Pradaxa commercial: "in a clinical trial... proven superior to warfarin at reducing the risk of stroke"
Moderate alcohol? Resveratrol.
EMPIRICAL=based on observation/experience; rational=reason/logic
observations
This is already hypothesis! Observation should be plant medicines?
TRIAL & error.
Bring
ECHINACEA pallida/purpurea Coneflower!
SEEDS sunflower.
COMPASS face sun?
hypothesis
or chicken soup/ginseng
predictions
SAY "if ... then" hypo -> predictions
What's
WRONG w picture? Thermometer! Common cold run nose, cough/sneeze,
NOT high fever.
DoQ
experiment
placebo: filler starch/lactose in tablets, 100 viruses (rhinovirus, adenovirus) cause cold
Treatments are also divided
BEFORE and
AFTER exposure to virus. The
BEFORE also had no treatment!
controls
1 variable, e.g. cancer drug, groups should be same age.
WHY: another variable: before & after cold?
placebo: filler e.h. starch/lactose for tablets, 100 viruses (rhinovirus, adenoviruses) can cause cold
variables
GASTRIC freezing: 1960's reduce acid secretion, ulcers from Helicobacter pylori
Need
CONTROL group (no treatment); or larger sample:
SIZE matters; e.g. males in bio class.
theory
Evo
JUST a theory? climate?
Scientific process exercise
correlation
SAY when one variable increases.
Drink water before death;
Sit in front of class:
SUPERSTITION flu shot!
SPORTS superstitions.
Graph: the proportion here is dependent variable. Or use bar graph.
Rat correlation (1.3): push lever, 10 sec, backflip -> food!
life
Greek homo, Latin=man. 98.6 F=37° C.
Cells
FLAW first cell?
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