know.Open app
NewNow in open beta · web & iOS

doomscrollsmarter.

Three fresh facts a day across Geography, History, Tech and Food. Doomscroll, but you come up knowing things.

M
J
S
A
L
412,000+ thumbs already scrolling. Average streak: 27 days.
Did you know?
TIL
+1 streak
☕ 3 min
Saved
9:41
AstronomyTIL
Perseverance has traveled almost 26 miles on Mars—nearly a marathon
After more than five years on Mars, Perseverance has covered almost 26 miles (42 kilometers), just shy of the official marathon distance of 26.2 miles, while collecting 27 rock cores and abrading 62 rocks.
24k
312
1.2k
Save
AstronomyDid you know
Rogue planets may outnumber star-bound planets in our galaxy.
According to research, there could be a greater number of rogue planets—those not orbiting any star—than planets that are part of solar systems in the Milky Way.
24k
312
1.2k
Save
NatureDid you know
Acacia trees in Africa emit gases to warn neighboring trees of danger.
When threatened by hungry animals, African acacia trees release gases that signal nearby trees to produce tannin, a toxin that deters herbivores.
24k
312
1.2k
Save
NatureTIL
The Denmark Strait Cataract is the world's largest waterfall—and it's underwater.
Located between Greenland and Iceland, the Denmark Strait Cataract is the biggest waterfall on the planet. Unlike typical waterfalls, this one is beneath the ocean's surface, making it a hidden natural wonder.
24k
312
1.2k
Save
ArchitectureDid you know
Seven rays crown the Statue of Liberty, symbolizing the world's continents and seas.
The statue's crown features seven rays, each representing the seven continents and seven seas, underscoring the universal concept of liberty.
24k
312
1.2k
Save
PsychologyDid you know
People Judge Faces Within Milliseconds
Research suggests that humans begin forming impressions of trustworthiness, competence, and attractiveness within a fraction of a second after seeing a face. These judgments often occur automatically and can influence decisions even when people believe they are being objective.
24k
312
1.2k
Save
PsychologyDid you know
The Brain Often Makes Decisions Before You're Aware of Them
Experiments measuring brain activity have found signals indicating a person's choice several seconds before they consciously report making that decision. While scientists still debate what this means for free will, the findings suggest that some decision-making processes begin unconsciously before entering conscious awareness.
24k
312
1.2k
Save
ScienceDid you know
Antarctica holds 70% of Earth's freshwater and 90% of its ice in a single massive ice sheet.
The Antarctic ice sheet spans over 30 million cubic kilometres, making it by far the largest on the planet. Its thickness and movement are tracked by satellites, as changes there have global impacts on sea levels and ocean currents.
24k
312
1.2k
Save
AstronomyTIL
Perseverance has traveled almost 26 miles on Mars—nearly a marathon
After more than five years on Mars, Perseverance has covered almost 26 miles (42 kilometers), just shy of the official marathon distance of 26.2 miles, while collecting 27 rock cores and abrading 62 rocks.
24k
312
1.2k
Save
AstronomyDid you know
Rogue planets may outnumber star-bound planets in our galaxy.
According to research, there could be a greater number of rogue planets—those not orbiting any star—than planets that are part of solar systems in the Milky Way.
24k
312
1.2k
Save
NatureDid you know
Acacia trees in Africa emit gases to warn neighboring trees of danger.
When threatened by hungry animals, African acacia trees release gases that signal nearby trees to produce tannin, a toxin that deters herbivores.
24k
312
1.2k
Save
NatureTIL
The Denmark Strait Cataract is the world's largest waterfall—and it's underwater.
Located between Greenland and Iceland, the Denmark Strait Cataract is the biggest waterfall on the planet. Unlike typical waterfalls, this one is beneath the ocean's surface, making it a hidden natural wonder.
24k
312
1.2k
Save
ArchitectureDid you know
Seven rays crown the Statue of Liberty, symbolizing the world's continents and seas.
The statue's crown features seven rays, each representing the seven continents and seven seas, underscoring the universal concept of liberty.
24k
312
1.2k
Save
PsychologyDid you know
People Judge Faces Within Milliseconds
Research suggests that humans begin forming impressions of trustworthiness, competence, and attractiveness within a fraction of a second after seeing a face. These judgments often occur automatically and can influence decisions even when people believe they are being objective.
24k
312
1.2k
Save
PsychologyDid you know
The Brain Often Makes Decisions Before You're Aware of Them
Experiments measuring brain activity have found signals indicating a person's choice several seconds before they consciously report making that decision. While scientists still debate what this means for free will, the findings suggest that some decision-making processes begin unconsciously before entering conscious awareness.
24k
312
1.2k
Save
ScienceDid you know
Antarctica holds 70% of Earth's freshwater and 90% of its ice in a single massive ice sheet.
The Antarctic ice sheet spans over 30 million cubic kilometres, making it by far the largest on the planet. Its thickness and movement are tracked by satellites, as changes there have global impacts on sea levels and ocean currents.
24k
312
1.2k
Save
+412
facts read this week by readers like you.
· Some of today’s facts ·
APerseverance has traveled almost 26 miles on Mars—nearly a marathon
ARogue planets may outnumber star-bound planets in our galaxy.
NAcacia trees in Africa emit gases to warn neighboring trees of danger.
NThe Denmark Strait Cataract is the world's largest waterfall—and it's underwater
ASeven rays crown the Statue of Liberty, symbolizing the world's continents and s
PPeople Judge Faces Within Milliseconds
PThe Brain Often Makes Decisions Before You're Aware of Them
SAntarctica holds 70% of Earth's freshwater and 90% of its ice in a single massiv
FMany Ice Creams Contain Ingredients Derived from Seaweed
F6. Apples Turn Brown Because of Their Own Defense Mechanism
APerseverance has traveled almost 26 miles on Mars—nearly a marathon
ARogue planets may outnumber star-bound planets in our galaxy.
NAcacia trees in Africa emit gases to warn neighboring trees of danger.
NThe Denmark Strait Cataract is the world's largest waterfall—and it's underwater
ASeven rays crown the Statue of Liberty, symbolizing the world's continents and s
PPeople Judge Faces Within Milliseconds
PThe Brain Often Makes Decisions Before You're Aware of Them
SAntarctica holds 70% of Earth's freshwater and 90% of its ice in a single massiv
FMany Ice Creams Contain Ingredients Derived from Seaweed
F6. Apples Turn Brown Because of Their Own Defense Mechanism
· How it works ·

Knowledge,
at scroll-speed.

01
Daily brief
Open the app, get a brief.
Three fresh facts every morning, hand-picked across Geography, History, Tech and Food. No algorithm slop — real editors, real sources.
02
Reader mode
Scroll until you know things.
Each fact opens into a full thread: the punchline, the science, the source. Five minutes of scrolling beats five hours of TikTok.
03
Streaks & badges
Build a streak you actually want.
Every fact you finish counts. Hit seven days for Early Bird, thirty for Marathon. Knowledge points, but you also genuinely learned.
· Four threads, all worth pulling ·

Pick your
obsession.

Daily thread
Geography
The Sahara was a lush savanna 6,000 years ago.
Daily thread
History
Cleopatra lived closer to the Moon landing than the pyramids.
Daily thread
Tech
The first computer bug was an actual moth.
Daily thread
Food
Many Ice Creams Contain Ingredients Derived from Seaweed
Streaks & gamification

The good kind of compulsion.

Three facts. Every morning. Hit your streak and unlock badges, new topics, source partners. Miss a day? We hold one for you, no penalties for being human.

27
day average streak
86%
completion rate
24
badges to earn
Your current streak
27
days
🔥
3 weeks agoToday
🌅
🌍
· Free · No ads · No infinite scroll trap ·

Stop scrolling slop.
Start scrolling smarter.

Download on the
App Store
Try the web app →