HEALTH
MICROBES
ANIMALS
Earth-ish
SPACE
100

This organ can regenerate substantial functional tissue after part of it is removed, provided enough healthy tissue remains.

What is the liver?

100

What type of virus causes feline leukemia? 

What are retroviruses? 

100

Narwhals look like they have a unicorn horn growing out of their heads - the horn structure is actually made of this material.

What is a ivory/dentin/tooth? (A narwhal's tusk is an elongated tooth, usually the left upper canine.)

100

Fossils of these diverse creatures have been found near the summit of Mount Everest.

What is marine invertebrates?

100

Because of this, eventually nothing will be visible outside of our galaxy. 

What is the universe expanding? 

200

The success rate of CPR.

What is <10%?

200

This comma shaped bacterium attaches to the green algae /Chlorella/ and sucks out its cellular contents. 

What is /Vampirovibrio chlorellavorus/

200

This amphibian can regenerate entire limbs and repair parts of its heart and spinal cord.

What is an axolotl?

200

While exploring a deep-sea ridge north of the Hawaiian islands, researchers found volcanic rock that resembled this man-made iconic film element.

What is the yellow brick road.

200

Venus is the hottest planet in the solar system with surface temperatures around 460°C to 480°C (900°F) due to a runaway greenhouse effect caused by the abundance of this gas.

What is carbon dioxide?

300

This fatal neurological disease was historically associated with ritual mortuary practices in Papua New Guinea and was transmitted through exposure to infectious prion proteins.

What is kuru? (the first transmissible spongiform encephalopathy)

300

Necrotizing fasciitis or “flesh-eating disease" is caused by toxins released by several bacteria but this is the most common member of the assemblage. 

Group A Streptococcus or /Streptococcus pyogenes/

300

These common omnivorous gastropods have thousands of microscopic teeth which they use to eat.

What are snails and slugs?

300

Scientists found these two types of a relatively large animal living in an activate underwater volcano, with temperatures around 42C and a pH of 6.1

What are hammerhead and silky sharks?

300

This catastrophic stellar explosion can briefly outshine an entire galaxy and spread elements forged in stars into space.

What is a supernova?

400

This type of cyst is formed when specialized germ cells grow atypically and have been known to contain teeth, bones, and hair. 

What are dermoid cysts or mature cystic teratomas? 

400

This bacteria lives in warm brackish waters and is the most common cause of death due to seafood in the United States (causing over 95%).

What is /Vibrio vulnificus/?

400

A clonal, contagious cancer that isn’t formed by viruses and is decimating a certain animal population.

What is Devil Facial Tumor Disease (Tasmanian Devil Cancer)?

400

This sea creature lives deep in the ocean, have only been witnessed in adult form on video, and have elbows that make them resemble phage.

What is the Bigfin squid?

400

What is the name given to the process in which an object is stretched into a long, thin shape by extreme differences in gravitational force near a black hole?

What is spaghettification?

500

The kill rate of brain-eating amoebas with treatment.

What is >90% (97%)?

500

This fungal species infects ants, manipulates their behaviour, and forces the ants to climb vegetation before the infection grows out of their bodies.

What is /Ophiocordyceps unilateralis/, the zombie-ant fungus?

500

These deep-sea creatures colonize whale skeletons on the ocean floor. They secrete acid to dissolve bone and rely on symbiotic bacteria to help digest the nutrients inside.

What are Osedax, or bone-eating worms?

500

In 1986, a lake in Cameroon suddenly released a huge cloud of this colourless, odourless gas. Because it accumulated near the ground and displaced oxygen, it killed more than 1,700 people and thousands of animals in the surrounding region.

What is carbon dioxide? 

500

This moon of Saturn has rivers, lakes, and seas made primarily of liquid hydrocarbons rather than water.

What is Titan?