'...Ohio / With a walk on the Moon in his bio / He went to Purdue / Took 1 small step, too / An American hero, no lie-o'
Neil Armstrong
200
'Sealy makes these with "advanced memory foam technology"'
mattresses
200
'A poisoned one of these is the traditional hunting weapon of the Kalahari's Gwikwe people'
arrow
200
'Hat dance & jumping bean'
Mexican
400
'Sega's Sonic is one'
a hedgehog
400
'...Paree / Blind in an accident at 3 / Thanks very much / He made reading by touch / Helping millions of people to "see"'
(Louis) Braille
400
'In 2008 Michael Phelps & NASA teamed to reduce drag on these & created "the world's fastest" one'
a swimsuit
400
'This woodsman's tool is said to "fall" when a worker is fired'
an axe
400
'Measles & potato salad'
German
600
'Adult males are called silverbacks'
gorillas
600
'...Old Greece / Socrates' student, at least / Here's the chronology / Wrote an "Apology"/ Now the clue, it will cease'
Plato
600
'The February 2008 decision to abandon HD DVD technology gave a market victory to this rival video format'
Blu-ray
600
'18th C. gunmaker Robert Wogdon made the finest flintlock pistols designed for these affairs of honor'
duels
600
'Channel & saddle'
English
800
'1 of the 2 whose names end in "beest"'
a wildebeest (or a hartebeest)
800
'...Kentucky / Who moved to Texas, quite plucky / Created a knife / Then lost his life/ The Alamo turned out unlucky'
(Jim) Bowie
800
'Los Alamos now has the fastest computer; it was designed using technology from this Sony gaming system'
PlayStation 3
800
'This word for a small dagger is an Italian diminutive'
stiletto
800
'Elephant & ocean'
Indian
1000
'Marsupial that comes in a Virginia type'
opossum
1000
'...New York / A gov. firm against pork / He's the winner, he's prez / The Chicago Trib says / But he lost & he felt like a dork'
(Thomas) Dewey
1000
'ASIMO, one of these, differentiates multiple voices using 8 microphones & Hark software'
a robot
1000
'(Alex reports from a swordsmith shop in Tokyo, Japan.) The sword maker must be careful to get the proper amount of this element in his steel to ensure proper hardness; too much of it, however, & the sword becomes brittle'