The buzz, the burn, the bliss. Follow the molecules.
Explore the molecules behind food, smell, medicine, your body and everyday life: what each one is, where you meet it, what it resembles and where it leads.
913 molecules
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Molecule of the week
Week 43, 2026 · from
Adrenaline
C9H13NO3
Haunted-house season: a good scare releases adrenaline, the surge that readies the body for a burst of action. from source
In the news this week
Molecules from this catalogue named in news headlines over the last seven days. Each card opens the molecule's own page.
Start with something familiar
Morning coffeeWhat's in your cup, and why it wakes you up.7 molecules
A spicy dinnerThe molecules that make food burn.6 molecules
ChocolateWhy chocolate feels good.6 molecules
The smell after rainPetrichor, molecule by molecule.4 molecules
Falling asleepThe chemistry of a good night.7 molecules
A glass of wineWhat's in the glass.6 molecules
Fresh-baked breadThe smell of the oven.6 molecules
Sunscreen and summer skinMolecules between you and the sun.6 molecules
CitrusA fresh orange, unpacked.6 molecules
Your workoutWhat powers and burns your muscles.6 molecules
Popular molecules
Leaderboards /best
Deadliest
LD50
Colchicine 5.886 mg/kg
Sweetest
Sweetness
Sucralose 600 × sugar
Spiciest
Scoville
Resiniferatoxin 16,000,000,000 SHU
Most pungent
Odor threshold
Ethanethiol 22 ng/m3
Biggest
Mol. weight
Inulin 6,179 g/mol
Lightest
Mol. weight
Helium 4.003 g/mol
Safest
LD50
Oleic acid 74,000 mg/kg
Most searched
Wikipedia views
Limonene 1,091,998 views/mo