Stay married and save the planet

This may sound quite strange but "staying married is better for the planet because divorce leads the newly single to live more wasteful lifestyles," an Australian lawmaker said Tuesday. It has to be made clear, though, that this does not apply to those who have been single all their lives, but only for singles coming from marriage divorce.

Senator Steve Fielding told a Senate hearing in the Australian capital Canberra that divorce only made climate change worse.

When couples separated, they needed more rooms, more electricity and more water. This increased their carbon footprint, Australian Associated Press quoted Fielding as telling the hearing on environmental issues.

"We understand that there is a social problem , but now we're seeing there is also environmental impact as well on the footprint," AAP quoted him as saying.

Such a "resource-inefficient lifestyle" meant it would be better for the planet if couples stayed married, he said.

During the hearing, the senator read out quotes from a U.S. report that advocated his stance.

Fielding, who leads the independent Family First party, grew up in a family of 16 children and has been married for 22 years, his website says.

It is to be understood though that preserving marriage should not only be made for the sake of the environment but more so for respecting the sanctity of family life borne out of love and devotion.

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Kissing unleashes chemicals that ease stress levels

Just in time for Valentine's Day, a panel of scientists examined the mystery of what happens when hearts throb and lips lock. Kissing, it turns out, unleashes chemicals that ease stress hormones in both sexes and encourage bonding in men, though not so much in women.

Chemicals in the saliva may be a way to assess a mate, Wendy Hill, dean of the faculty and a professor of neuroscience at Lafayette College, told a meeting of the American Association for the Advancement of Science on Friday.

In an experiment, Hill explained, pairs of heterosexual college students who kissed for 15 minutes while listening to music experienced significant changes in their levels of the chemicals oxytocin, which affects pair bonding, and cortisol, which is associated with stress. Their blood and saliva levels of the chemicals were compared before and after the kiss.

Both men and women had a decline in cortisol after smooching, an indication their stress levels declined.

For men, oxytocin levels increased, indicating more interest in bonding, while oxytocin levels went down in women. "This was a surprise," Hill said.

In a test group that merely held hands, chemical changes were similar, but much less pronounced, she said.

The experiment was conducted in a student health center, Hill noted. She plans a repeat "in a more romantic setting."

Hill spoke at the session on the Science of Kissing, along with Helen Fisher of Rutgers University and Donald Lateiner of Ohio Wesleyan University.

Fisher noted that more than 90 percent of human societies practice kissing, which she believes has three components — the sex drive, romantic love and attachment.

The sex drive pushes individuals to assess a variety of partners, then romantic love causes them to focus on an individual, she said. Attachment then allows them to tolerate this person long enough to raise a child.

Men tend to think of kissing as a prelude to copulation, Fisher said. She noted that men prefer "sloppy" kisses, in which chemicals including testosterone can be passed on to the women in saliva. Testosterone increases the sex drive in both males and females.

"When you kiss an enormous part of your brain becomes active," she added. Romantic love can last a long time, "if you kiss the right person."

Lateiner, a classical scholar, observed that kissing appears infrequently in Greek and Roman art, but was widely practiced, despite the spread of skin disease at that time by facial kissing. And there was a potential for social faux pas by kissing the wrong person at the wrong time.

Overall, the science of kissing — philematology — is under-researcherd, Hill concluded