Perturbations from a fairly massive Sagittarius dwarf galaxy, M_d∼2.5⨯10¹⁰M_ odot , are required to account for the sizescale of the observed streaming motions from its orbital pericentre approximately a Gyr ago.

Teasing can be seen as a kind of workplace abuse.

Here I was suddenly a man of means and this little snot-nosed kid in a short-sleeved white shirt with ketchup on the pocket and misknotted tie was ordering me about.

If the existence of a plough of some kind is questioned, some distinction must still be made between the tools interpreted as ploughshares and other implements, smaller and more roughly shaped, which have all the appearance of hoes. This ample evidence for agriculture in the Hung-shan neolithic of Manchuria is supplemented by the bones of cattle, sheep, pig and horse, excavated at Hung-shan itself, which attest the advanced animal farming which the geographical environment so clearly favoured.