Please capitalize where necessary: each of us is required to cooperate in, and maintain the confidentiality of, any such investigation.
A: Each of us is required to cooperate in, and maintain the confidentiality of, any such investigation.

Please capitalize where necessary: according to astrological traditions of ancient times, the long-time duration of the asserted consequences - traditionally prophesied around a solar eclipse - may have to last approx. one whole year, until a new solar eclipse happened on a similar date.
A: According to astrological traditions of ancient times, the long-time duration of the asserted consequences - traditionally prophesied around a solar eclipse - may have to last approx. one whole year, until a new solar eclipse happened on a similar date.

Please capitalize where necessary: at nighttime you see glimpses of the great battles this valorous sword still remembers.
A: At nighttime you see glimpses of the great battles this valorous sword still remembers.

Please capitalize where necessary: debian -- news -- new look for debian's websites
A:
Debian -- News -- New look for Debian's websites