Oxytocin, You Are So Two-Faced

Oxytocin, You Are So Two-Faced

Oxytocin, the warm, fuzzy miracle hormone that promotes feelings of love, social bonding and well-being, isn't quite as simple as those miracle-cure-of-the-week newspaper stories want you to believe…
How Do Quenched Galaxies Continue To Grow?

How Do Quenched Galaxies Continue To Grow?

When some galaxies stop forming new stars, they become "quenched". Quenched galaxies in the distant past appear to be much smaller than the quenched galaxies in the Universe today, which is…
The Plot Of The Week - Top And W Boson Masses

The Plot Of The Week - Top And W Boson Masses

The CDF and DZERO experiments recently produced a combination of their precision measurements of the W boson mass, and proceeded to include the LEP II results to obtain a "world average" of that very…
The Development Of Social Monogamy In Mammals

The Development Of Social Monogamy In Mammals

Two papers published this week have proposed explanations regarding the evolution of social monogamy among mammals and especially primates.  Of three competing hypothesis, one proposes that a…