Cosmos crossword

ACROSS

3. Testes contain _ cells which support sperm production by generating testosterone. 5. The name of New Zealand’s largest glacier. 7. The acronym given to a chemical produced by malaria parasites that causes mosquitos to be drawn to drink the blood of individuals already infected with the disease. 9. An organism infected with a disease that infects disproportionally more secondary contacts than other individuals infected. 12. The smallest species of baleen whale. 13. A spinning, highly magnetic neutron star that emits a beam of light. 14. A plant polymer found in the cell walls of terrestrial plants that helps jam set. 15. A scientific pursuit focused on recreating past shifts in the Earth’s magnetic fields. 16. The most common chronic joint condition which sees the breakdown of cartilage’s natural lubrication system.

DOWN

1. Small organelles inside the cells of animals, plants and fungi that act as the cell’s energy source. 2. The common name of the human disease lymphatic filariasis. 4. The scientific name of zebrafish (5, 5). 6. A mineral that is capable of being magnetised, found in small amounts in clay. 8. A climate cycle in the Pacific Ocean caused by increased sea surface temperatures, which impacts global weather patterns (2, 4). 9. An organism infected with a disease that infects disproportionally more secondary contacts than other individuals infected. 10. The event in which the last existing member of a species dies. 11. A narrow region of convection that allows hot material from the Earth’s core-mantle boundary to move rapidly to the surface (6, 5).

Answers will be published in issue 75.