/r/askscience

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If gravity on Mars is roughly 2.5 times weaker than on Earth, would you be able to jump 2.5 times higher or is it not a direct relationship?

2408 upvotes • lil_mattie

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What is mass?

2407 upvotes • hmpher

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AskScience AMA Series: I'm Mark Jacobson, Director of the Atmosphere/Energy program and Professor of Civil and Environmental Engineering at Stanford University, and author of 100% Clean, Renewable Energy and Storage for Everything. AMA about climate change and renewable energy!

2407 upvotes • AskScienceModerator

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Why is the oxygen to hydrogen mass ratio on the shuttle's external tank 6:1 instead of 8:1?

2404 upvotes • TChapman500

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Science documentary just said a magnetar would pull the iron from your blood from thousands of miles away. I always thought iron in the blood was ferromagnetic and did not react to magnetic fields?

2401 upvotes • Njdevils11

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How do we have pictures of our own galaxy?

2401 upvotes • Shabagabagatzu

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Why does my brain sometimes recall a seemingly random memory that I haven't thought about in years?

2401 upvotes • footbali

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when in colonies, how do bats use echolocation without getting confused?

2401 upvotes • Nathan_Inbar

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Why did we stop inoculating against smallpox?

2401 upvotes • cazlan

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Where does the matter of a bamboo come from?

2399 upvotes • Rot-Orkan

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
If gravity on Mars is roughly 2.5 times weaker than on Earth, would you be able to jump 2.5 times higher or is it not a direct relationship?	2408	lil_mattie
What is mass?	2407	hmpher
AskScience AMA Series: I'm Mark Jacobson, Director of the Atmosphere/Energy program and Professor of Civil and Environmental Engineering at Stanford University, and author of 100% Clean, Renewable Energy and Storage for Everything. AMA about climate change and renewable energy!	2407	AskScienceModerator
Why is the oxygen to hydrogen mass ratio on the shuttle's external tank 6:1 instead of 8:1?	2404	TChapman500
Science documentary just said a magnetar would pull the iron from your blood from thousands of miles away. I always thought iron in the blood was ferromagnetic and did not react to magnetic fields?	2401	Njdevils11
How do we have pictures of our own galaxy?	2401	Shabagabagatzu
Why does my brain sometimes recall a seemingly random memory that I haven't thought about in years?	2401	footbali
when in colonies, how do bats use echolocation without getting confused?	2401	Nathan_Inbar
Why did we stop inoculating against smallpox?	2401	cazlan
Where does the matter of a bamboo come from?	2399	Rot-Orkan