Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
436 results
Support my work on patreon: https://www.patreon.com/DrFatima Or give me a tip on paypal: ...
149,279 views
3 weeks ago
Recent advancements in observational techniques have revealed an enormous and mysterious magnetic halo surrounding our ...
15,525 views