How many Homo halibus
What fraction have been dug up and examined?
What about other species?
How does the fraction of individuals preserved and studied fall off
you moved back through time?
2009-05-29 Friday 07:11:19
Much of the work of digestion is done by bacteria in the gut.
Could an appropriately engineered infection
permit someone to extract nutrition from normally indigestible
materials, like grass and wood?
2009-01-29 Thursday 19:37:59
Children's medicines come suspended in goopy liquids.
Some part of the medicine always stays behind in the measuring
spoon. Do dose estimates like "3/4 teaspoon twice daily"
include a correction for the left-behind part of each dose?
Do different types of dosing cups make a difference?
Or do other factors introduce more uncertainty?
2008-12-29 Monday 19:14:27
A jugful of water adds some thermal inertia and makes an empty
refrigerator cool more efficiently. A tubful of water ought to
do the same thing for drafty old house. How big is the effect?
2008-12-08 Monday 09:59:41
My fan-driven humidifier makes my house feel colder. How much heat
does it pull to vaporize the water it does?
2008-11-14 Friday 16:59:35
How strong is the correlation between income tax witholding /
refunding and tolerance for government spending?
2008-10-14 Tuesday 23:05:05
The Economist claims that some 1200 people have died crossing from
Mexico to the US since 1990, compared to about 300 killed trying to
cross the Berlin Wall during the 28 years it was up. Fatalities per
mile? Fatalities per legal crossing? Estimates of successful
2008-10-11 Saturday 09:54:20
If Hawking's connection between black holes and thermodynamics
is right, astrophysical black holes --- for which general
relativity predicts everything bizarre happens well inside the
horizon, and for which there are observational evidence --- are at
the zero-temperature limit. What's the "warmest"
black hole for which there is observational evidence? What's
the transition "temperature" where quantum gravity starts
2008-10-06 Monday 19:45:48
by Consumer Reports
, that breakfast cereals marketed to
children aren't terribly nutritious, has gotten some
evening-news press. The main contribution of the Consumer Reports
release seems to be that they bought a bunch of cereal and read the
nutrition labels. What's new here? Has the composition of
existing products been tweaked? Have some sweeter brands been
introduced to replace healthier ones? How do these sorts of news
blobs correlate with sales, or with marketing spending?
2008-10-06 Monday 12:29:26
I have heard it repeated a few times now that, in some counting,
the human body is "mostly" bacteria. Is this number of
cells? biomass? genetic information? Wikipedia cites
"mini-review" in Anaerobe
. How much of the
human body and its function are bacterial in other interesting
2008-09-22 Monday 10:40:07