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Science News Archive - May, 2008

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
165
2
77
3
21
4
28
5
63
6
101
7
86
8
100
9
73
10
79
11
34
12
85
13
80
14
177
15
128
16
114
17
53
18
74
19
139
20
139
21
157
22
144
23
104
24
66
25
72
26
53
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132
28
163
29
149
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97
31
58
Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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