«Znanie»
«Znanie»
Efim Malitikov
Presentations & Papers
Publications
Events
Diplomas, Awards, Titles
«ZNANIE» over the past 70 years
Committee
Founders
The Committee’s composition
UN documents on Adult Learning
Collaboration Agreement
International Association «ZNANIE»
Milestones
Press page
Management
Public Chamber
Alexander Rahr
Club of Rome
IGMASS
Videos of global disasters
IGMASS statements
IGMASS presentations
Publications on IGMASS
Monitoring
UN documents on environment protection
News coverage
Presidential addresses
Direct Line with Vladimir Putin
Multimedia
Videos
Astronomy
Science Popular Channels
Kurzgesagt – In a Nutshell
Veritasium
Photos
Events
Contacts
Ru
HOME
Veritasium
How Much Does a Shadow Weigh?
How Much Does a Shadow Weigh?
Мы рекомендуем
18 February 2022
The Biggest Science Stories Of 2021 | Answers With Joe
18 February 2022
Why Does The Earth Spin?
13 April 2023
Killer Beaz and Digger Make 500 POUNDS OF MASH IN ONE DAY! | Moonshiners | Discovery
19 August 2014
Road Rage Aftershow | MythBusters