Medicine
Explore the educational catalogue, one Discovery at a time.
- Archive 00476
How bacteria gave us a gene-editing tool
- Archive 00518
Why glucose belongs in a rehydration solution
- Archive 00519
The extraction clue behind artemisinin
- Archive 00520
How MRI turns signals into anatomy
- Archive 00521
Why blood compatibility is a recognition problem
- Archive 00522
A cochlear implant does more than make sound louder
- Archive 00523
How finding cases helped end smallpox
- Archive 01144
How the heart keeps two circulations moving
- Archive 01145
Why arteries and veins have different walls
- Archive 01146
How alveoli bring air close to blood
- Archive 01147
The kidney filters first and selects again
- Archive 01148
How the liver handles absorbed nutrients
- Archive 01149
Why the intestine has a folded surface
- Archive 01150
How a nerve signal crosses a synapse
- Archive 01151
Why myelin speeds a nerve message
- Archive 01152
How muscles pull on bones
- Archive 01153
Bone is a tissue that keeps remodeling
- Archive 01154
How skin repairs a wound
- Archive 01155
Why hormones need receptors
- Archive 01156
How the inner ear measures movement
- Archive 01157
How the eye focuses light
- Archive 01158
What sleep stages reveal about a night
- Archive 01159
Inflammation brings defenses to a damaged place
- Archive 01160
Antibodies recognize particular targets
- Archive 01161
Immune memory changes a second encounter
- Archive 01162
Why an allergy mistakes a harmless target
- Archive 01163
Autoimmunity turns recognition against the body
- Archive 01164
Cancer begins when growth controls fail
- Archive 01165
Why a tumour needs a blood supply
- Archive 01166
How insulin helps regulate blood glucose
- Archive 01167
What obstructs airflow in asthma
- Archive 01168
A clot can block an artery far from its origin
- Archive 01169
Why sickle cells change the circulation
- Archive 01170
How a virus uses a host cell
- Archive 01171
An X-ray image records unequal absorption
- Archive 01172
CT builds cross-sections from many projections
- Archive 01173
Ultrasound listens for returning echoes
- Archive 01174
An ECG records the timing of electrical activity
- Archive 01175
Pulse oximetry estimates oxygen carriage
- Archive 01176
A biopsy preserves tissue architecture
- Archive 01177
A blood count separates several cell populations
- Archive 01178
Culture and molecular tests ask different questions
- Archive 01179
A diagnostic reference range describes a comparison group
- Archive 01180
Why antibiotics need a bacterial target
- Archive 01181
Resistance evolves when microbes survive selection
- Archive 01182
How a medicine reaches and leaves the circulation
- Archive 01183
A receptor can respond to an agonist or antagonist
- Archive 01184
Why a formulation changes drug delivery
- Archive 01185
Local anesthesia interrupts a nerve signal
- Archive 01186
General anesthesia has several clinical goals
- Archive 01187
Dialysis exchanges substances across a membrane
- Archive 01188
A transplant must work with immune recognition
- Archive 01189
An endoscope carries a view inside the body
- Archive 01190
Sutures bring tissues together while healing proceeds
- Archive 01191
Rehabilitation practices useful function
- Archive 01192
Semmelweis and the significance of clean hands
- Archive 01193
Lister brings antisepsis into surgery
- Archive 01194
Snow maps a cholera outbreak
- Archive 01195
The stethoscope changes bedside listening
- Archive 01196
Penicillin moves from observation to manufacture
- Archive 01197
The germ theory changes explanations of disease
- Archive 01198
Clean water interrupts a route of infection
- Archive 01199
Ventilation changes the air people share
- Archive 01200
Disease surveillance turns cases into a signal
- Archive 01201
Herd protection depends on transmission
- Archive 01202
Why occupational health studies the workplace
- Archive 01203
A clinical trial compares planned interventions
- Archive 01204
Random allocation reduces systematic differences
- Archive 01205
Blinding limits expectations during assessment
- Archive 01206
An intention-to-treat analysis preserves the assigned groups
- Archive 01207
A systematic review makes its search inspectable
- Archive 01208
Survival curves follow outcomes through time
- Archive 01209
Screening can find disease earlier without extending life
- Archive 01210
Shared decisions connect evidence with patient priorities
- Archive 01211
Pharmacovigilance continues after approval