Newton's third law of motion is often stated as "For every action, there is an equal and opposite" this
reaction
At the Six Flags in Jackson, New Jersey, visitors go from zero to 128 mph in 3.5 seconds on Kingda Ka, the USA's tallest this
roller coaster
This is gonna feel a little cold; treat an ankle sprain with "RICE": "rest", this "I" word, "compression" and "elevation"
Ice
"P" + a country that uses the ruble as its currency = this historic German realm
Prussia
In 1880 this inventor was granted a patent for the first practical light bulb
Thomas Edison
In the 17th century Robert Hooke coined the term "cell" for the biological structures he saw using this recently invented instrument
a microscope
Costa Rica is famous for this activity, whizzing along a steel cable high above the canopy of the rainforest
ziplines
In optometry, "flashes" and "floaters" are 2 of the "4 F's" doctors often see in patients with a detached this
Retina
Central U.S. state + "polis" = this capital city of that same state
Indianapolis
DAILY DOUBLE
Now a kids' swimming pool game, he was originally an Italian who traveled to China in the 13th century
Marco Polo
This explosive event that kicked off the universe happened some 13.8 billion years ago
The Big Bang
Escondido, Calif. has a park named for this animal-spotting adventure, but for a more authentic version, you might try Tanzania
safari
Its "G" standing for "glycemic control", "glucose bad" is a mnemonic for people with this medical condition
Diabetes
A West African country + "IA" = this other West African country
Nigeria
"Black Tuesday", October 29 of this year, was part of the stock market crash that helped set off the Great Depression
1929
The HGP, the Human this Project, completed its work mapping the human one in 2003
Genome
Vacationers flock to this country's Mediterranean island of Ibiza for its famous party scene
Spain
If you can't remember "ulna, radius, humerus", try "usually really hard" to help recall the bones in this part of the body
The Arm
"Ar" + a central U.S. state = this other central U.S. state
Arkansas
Nobody expected the Spanish this notorious institution to be abolished in 1834, but everybody was glad it was
The Inquisition
DAILY DOUBLE
Alexander Fleming became Sir Alexander Fleming after his 1928 discovery of this antibiotic "wonder drug"
penicillin
Northwest of Tahiti in French Polynesia is this island paradise with a double-talk name
Bora Bora
Pediatricians look for "The 3 S's"--stridor, subglottic swelling and a seal-like cough--before diagnosing this infant ailment
Croup
"As" + a Middle Eastern country = this ancient empire
Assyria
A Paris airport is named for this general who led the Free French forces during WWII & later served as France's president
Charles De Gaulle