I understand I can get refurbished gear, sometimes with steep discounts. Are such purchases risky? I understand why you’re ...

Many people today deny the reality of original sin. Modern thinkers claim that evolution disproves it. Some object to the idea of inheriting sin from our parents, while others simply deny sin itself.

For example, 30° clockwise from north is usually written as 030°. Problems involving bearings can be worked out as you would work out problems with triangles using the sine or cosine rule: ...