Left behind by the Kaiser's army, the 5 halls at Riga's Central Market were once hangars for these airships
Zeppelins
Legend says Austrian autocrat Gessler got the point from this Swiss archer around 1300
William Tell
His album "The Times They Are a-Changin'" reached No. 20 on the charts in April 1964
Bob Dylan
The 2 who served as president in the same century
Jefferson & Lincoln
Men get their X chromosome from this parent
mother
More than 400,000 live on this 640-sq.-mile semiautonomous island off the east coast of Africa
Zanzibar
The Virginia city settled in 1633 as Middle Plantation was renamed this in 1699
Williamsburg
In October 1960 this world leader sat holding his shoe in the U.N. General Assembly
Khrushchev
The order in which the heads were completed; it was also the order in which the men served
Washington, Jefferson, Lincoln, Roosevelt
Trisomy 21, a condition where a person has an extra copy of chromosome 21, is also called this syndrome
Down Syndrome
Also the name of a wine, it's the most commonly grown red wine grape in California
zinfandel
William Cohen held this post in Bill Clinton's cabinet
Secretary of Defense
Ironically, it was the year of the "Summer of Love" & the Arab-Israeli Six-Day War
1967
The one not on the face of a currently minted U.S. coin
Roosevelt
These controversial cells are obtained from human embryos at the blastocyst stage
stem cells
This mussel named for its resemblance to an equine has caused havoc with pipes & fish in the Great Lakes
zebra mussel
3-word location where the Exxon Valdez spilled more than 10 million gallons of north slope crude in 1989
Prince William Sound
In 1968 Tony Curtis gave a startling film performance as this title New England killer
Boston Strangler
In the order of presidents, the first guy skipped over in getting his face on the mountain
John Adams
It wasn't until 1956 that it was established that human cells contain this diploid number of chromosomes
46
This monarch was born October 8, 1895 in Burgayeti, Albania
King Zog
Number of the William who was England's "Sailor King" from 1830 to 1837
IV
"A Foot in the Door" is the title of this brush salesman's 1960 autobiography
Fuller
Of the 4 presidents on Mount Rushmore, the one who's buried closest to it
Lincoln
The genesis of this, abbreviated HGP, was a 1984 conference in Alta, Utah
Human Genome Project