NASA discovers 'space gum' and sugars 'crucial to life' in asteroid Bennu samples brought to Earth (video) - Space

1. NASA discovers 'space gum' and sugars 'crucial to life' in asteroid Bennu samples brought to Earth (video)  Space
2. Sugars, ‘Gum,’ Stardust Found in NASA’s Asteroid Bennu Samples  NASA (.gov)
3. Scientists found tryptophan, the ‘sleepy’ amino acid, in an asteroid. Here’s what it means  CNN
4. Asteroid loaded with amino acids offers new clues about the origin of life on Earth  Phys.org
5. Bio-essential sugars in samples from asteroid Bennu  Nature