10 things we didn't know last week
Joschua Knüppe1. The fossil of a marine reptile "re-discovered" in a museum is the largest of its kind on record
Find out more (National Geographic)
2. South Africa's original language has only three remaining speakers
3. Surgery waiting times in Wales are up 400%
Find out more (The Guardian)
4. Information from the Cassini spacecraft hints that Saturn's spectacular rings may be relatively young
Find out more (Daily Mail)
5. Smell may play a key role when birds are navigating long distances over the oceans
Find out more (Science Daily)
6. A new "hotel" experience is being planned for overnight trains to Scotland
Find out more (The Guardian)
7. A fictional country used as part of military exercises in Belarus now has a foreign ministry, flag, history and Wikipedia page
8. Elephant grass could significantly reduce the construction industry's impact on the environment
9. The US has approved the first treatment to redesign a patient's own immune system so that it attacks cancer
Find out more (Daily Telegraph)
10. Researchers have discovered 381 new species of plants and animals during a two-year study in the Amazon
Seen a thing? Tell us on Twitter using the hashtag #thingididntknowlastweek
