- ... that DNA digital data storage has been called "apocalypse-proof" by one of its creators due to its longevity under certain conditions and its resistance to obsolescence?
- ... that rayon fibers used to make clothes come from trees pulped using the sulfite process?
- ... that the first SS class blimp (pictured) entered service on 18 March 1915, fewer than three weeks after work began on it?
- ... that Charles Stross's science-fiction novel Singularity Sky inspired a proposal to undermine the Taliban by giving every Afghan a free mobile phone?
- ... that from 1955 to 1973, the United States conducted a scientific initiative aimed at producing gravity-manipulation technology?