Sea animal has grow-again penis

Scientists reported Wednesday on the bizarre sex life of a sea slug that discards its penis after copulation. Then grows a new one.

Building blocks of life came from deep Earth

The rise of the first complex life depended on vital metals brought up to the Earth's surface from far below in vast granite deposits, a new study argues.

Study reveals sex life of deep-sea squid

The sex life of Octopoteuthis deletron -- O. deletron, if you prefer -- is a cruelly hit-or-miss affair, according to candid footage of the deep-sea squid in its element, unveiled Wednesday.

Marriage's effect on lesbian and gay couples studied

Legal recognition of same-sex relationships, including marriage, influences how gay and lesbian baby boomers prepare for late life and end of life issues. Unmarried same-sex couples may suffer greater fear and anxiety around ...

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