The Battalion. (College Station, Tex.) 1893-current, August 29, 2000, Image 6

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Page 6A
SCIENCE & TECH
THE BATTALION
Buggin’ out
Entomology grad studen ts share research
Tuesday, August 29. s
sday, August 29
a
By Arun Arjunan
The Battalion
Fire ants are a continual annoy
ance in Texas. However for many
Texas A&M entomology graduate
students, they are also fascinating.
These and other pests were the cen-
■ ter of academic scrutiny at the De
partment of Entomology Graduate
Student Forum, which was held
Friday at the Minnie Bell Heep
Center.
Several entomology graduate stu
dents had the opportunity to present
their current research to a panel of
four academic
evaluators. This
annual confer
ence, which was
first organized by
Dr. Patricia Pe-
trantoniom, gradu
ate student forum
chair and an assis
tant professor in
entomology, has
now been imple
mented as part of
the doctoral ento
mology program.
Dr. Julio
Bernal, forum
committee mem
ber and assistant
professor of ento
mology, said this
forum gives grad
uate students an
arena to share their
research.
“The seminar
allows graduate
students to display their research in a
competitive and professional set
ting,” Bernal said.
Each of the 13 student presenters
was evaluated on the quality of the
presentation and completeness of the
research. The research was diverse,
ranging from foraging patterns of fire
ants to forensic entomology.
Jason L. Mottern studied the bio
logical control of fire ants using
phorid flies. Instead of using chemi
cals to kill the ants, the introduction
of phorid flies disrupts ant colonies
These investiga
tions provide new
knowledge of [the
fire ants'] forag
ing behavior and
population dy
namics and
hopefully provide
new ways to
manage these
pests”
because the flies compete with the
ants for the same resources.
Doctoral student F. Mariana
Tenorio concentrated her research
on the development of DNA iden
tification protocol for three differ
ent species of the key blow fly that
inhabit Central Texas, especially in
Brazos and Burleson counties.
These organisms aje important be
cause they are scavengers, often
burrowing into decaying corpses.
Investigators can determine the time
of death by identifying the species of
the key blow fly and counting back
the time based the
fly’s stage of de
velopment.
Doctoral candi
date, Ronald D.
Weeks, investigat
ed the spatial dis
tribution in rela
tion to the fire ants’
foraging behavior.
His study explored
the impact of the
concentration of
fire ants on the en
vironment.
“These investi
gations provide
new knowledge of
their foraging be
havior and popula
tion dynamics and
hopefully provide
new ways to man
age these pests,”
Weeks said.
Texas A&M
students will com
pete in the Entomological Society of
America’s national competition.
Jarrad Prasifka, president of the
Entomology Graduate Student As
sociation and one of the conference
presenters, said this conference
helps students prepare for future
competitions.
“The forum allows us to prepare
for the national competition as well
as our professional careers,” he said.
Awards for the third annual Grad
uate Student Forum will be an
nounced later this fall.
SCI
F.Y.l
Boy sts
irothei
DALLAS (A
joking for ar
Question: Why does
mouth feel cold when you breal
in after eating a breath mint?
ected of att£
Id brother-in-
nife early Me
The suspec
sgedlywas in
lorrison whei
aying, "I’m g
till.” Yow the
ght nipple an
pie times in
/ith a butcher
Morrison <
ehicle and
tiles through
school for I
eports.
“He's in b£
heryl Conve
trthe Dallas I
A police re
slso has thre
Search
escalat
— Ronald D. Weeks
Entomology graduate student
speaking at annual forum.
Answer: Breath mints cod
your mouth in the same way
sweat cools your skin.
The Encyclopedia of Med
and Herbal ingredients states lb
the active ingredient in
mints is a derivative of thepef-
permint plant. This derivative®
tains high concentrations of met- ioy’s mother,
thol, which you may know from
its inclusion in cough drops,Vafor
rubs and menthol cigarettes.
Menthol, like other forms I
alcohol, is a highly volatile com-
pound. You may have witnessed
high volatility if you haveevet
spilled rubbing alcohol onatal
and watched it disappear almost
immediately.
When a liquid somethin'
evaporates, it uses up heat caus
ing the surface from which it
evaporates to cool down.Thisis
why sweat, which evaporates
from your skin, helps coolyoa
down when yoii overheat.
Also, according to several area [ggg 1
pharmacists, menthol irritates the*'
sensitive tissues in the mouth
The “Have
.,. , , Jards distribu
These pharmacists said thattheit- .vinri^nr rnn
ritation from the menthol make
the nerves in your mouth extra
sensitive (even though enousl
menthol will eventuallynumbie
nerves). This extra-sensitivity in
tensifies the cold feeling.
If you have a question about
how or why something works.c-
mail scifyi@hotmail.com with
your question, name and class.
-Stuart Hutson
MOUNT P
he four-year
ng East Texa
ionwide boos
eatured on di
be sent t<
tomes over tl
The cards,
I be mailed
iescription 0
’as, now 7, e
andro Villega
ay may ha
tount Pleas
all-free numb
enter for Mi
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