As aforementioned, I’ve currently become deeply invested in podcasts. One such podcast is “Science Friday” hosted by Ira Flatow on Public Radio International. On a recent jam-packed episode, an exciting topic came up – Elephant Seals ! These (not-so) little guys have been causing lots of problems for the last couple of decades; and we’re only finding out now!
First, a little bit about Elephant Seals. There are two breeds of Elephant Seals – Northern and Southern . In this study, we focused on the Northern breed or Mirounga angustirostris. The Southern species is not only significantly larger, but also lives longer than its Northern counterpart. The Northern species lives only along the Pacific coast of Northern America. In terms of IUCN status, the Mirounga angustirostris is a success story! Once thought to be extinct due to over-hunting, this guy has made a comeback and is back up at around 120,000+ .
For several decades, scientists have been noticing severe mercury spikes in the Pacific Ocean off the coast of California. The case was unknown for years until an exciting development came along in science – using DNA mapping technology to map the DNA of the ocean! What was the result? This mercury was coming from the coast? Lo and behold, we find shedding Elephant Seals on the shoreline!
During a recent study (which can be found here ) at UC Santa Cruz, it was discovered that during the molting season, levels of methyl-mercury – one of the most toxic forms of mercury – was 17 times higher than normal (as if it wasn’t dangerous enough in the body already). And it’s in fact precisely because of the mercury’s poisonous levels that Elephant Seals try to shed their hair. The Seals will cumulate the mercury in the hair on their bodies, and then shed the hair to rid the body of the toxin , in a process called Catastrophic Molting !
One might ask how we know that the mercury is coming from the Elephant Seals fur and not from their feces or other fauna altogether. The answer lies in newborn Seals. Because mercury is so easily absorbed into the system of living creatures, it stands to reason that pregnant mothers would “infect” their unborn children as well. In fact, pups born to contaminated mothers showed high levels of methyl-mercury in their “natal coal” or the hair that they are born with . So, we can extrapolate that the seals coat is to blame for increased ocean methyl-mercury levels.
Now you might not think that this is a problem, but the mercury in the hair gets washed up back into the oceans, digested by microbes in the water, and moves its way back up the food chain, until it may have serious consequences for humans, Elephant Seals, and the ecosystem overall. The levels found around Seal molting grounds are higher than those found in highly urbanized, contaminated coastal towns. This problem is further accentuated by the fact that industrial pollutants in the water have already significantly increased mercury levels in the oceans.
What makes the situation worse is that mercury doesn’t degrade either, which means that overtime, it’s going to concentrate itself more heavily at the top of the food chain, with unknown consequences. This process is known as biomagnification.
So, do we know anything? Well, yes. We know the harmful effects that methyl-mercury has on the human body. According to the EPA, methyl-mercury has significant effects on humans, including but not limited to: neurological development in infants, “impairment of the peripheral vision; disturbances in sensations (“pins and needles” feelings, usually in the hands, feet, and around the mouth); lack of coordination of movements; impairment of speech, hearing, walking; and muscle weakness”  and even potentially death. One such extreme case of mercury poisoning was in Japan, from 1932 to 1968 . A factory that produced acetic acid discharged its waste into Minamata Bay, where nearby residents consumed contaminated shellfish for years. What was eventually known as Minamata disease caused “brain damage, paralysis, incoherent speech and delirium” in over 50,000 local residents.
So, how do we stop all of this? Scientists aren’t quite sure, but one thing is for sure: we need to reduce our pollutant footprint if we want to keep these cute guys around, and other apex predators; especially if we want a chance of surviving a healthy human life, for us and generations to come.
Hello everyone! I’m sorry i haven’t had a chance to write lately but i’ve been really busy with college. At any rate, i recently watch the movie Memoirs of a Geisha and am now reading the book. Although i consider myself a Japanese fanatic, or a weebo as one of my friends so delicately put it, i really didn’t know about one of the most cultural aspects to have somewhat survived in Japan – the Geisha. When most people, particularly Americans, think of a geisha, they immediately think that a geisha is the equivalent to a prostitute. However, based on the research done by the author of Memoirs, this was not the full truth. According to Arthur Golden, a geisha is a woman who entertains men with conversation, dance and music, but also has to sell her virginity to the highest bidder. After doing some research of my own, i found out that the geisha of Japan were actually very sophisticated and cultured women who practiced many arts, flower-arranging NOT being one of them. Furthermore, the practice of selling one’s viriginity, or mizuage, was not real. In fact, a mizuage actually consisted of a tea ceremony and a different hair cut to symbolize one’s coming of age.
After going into my research, i began to wonder why many people have the misconception that geisha are prostitutes when i can upon a startling find. Back in the hay day, or during WWII to be more precise, many American soldiers were stationed in Japan, and Japanese women (meaning geisha and prostitutes) were stumbling over themselves for a chance to be able to entertain these men and gain some sort of higher status – to clarify, geisha simply wished to continue to practice their art, not sleep with these men. Thus, the “geisha girl” was born. Geisha girls were actually prostitutes who dressed like geisha, BUT wore the traditional obi, or the band that held their kimono together in the front (for easy removal since it could take up to an hour to arrange an obi correctly for a real geisha), and they also fashioned their hair a different way.
With the girl on the left, you will notice her obi is tied in the box fashion, while the girl on the right has the sash fashion. It is important to note that both of these girls are prostitutes, which can also be seen from their hair.
When the soldiers began coming to Japan, prostitutes began dressing more similarly to geisha, with a few differences, as stated above. However, the American soldiers couldn’t tell the differences between the girls, as they probably only saw the white face make up as a distinguishing feature. Just to clarify, I’m for once not blaming Americans for their ignorance as i realize how difficult it can be to distinguish people from a completely different culture. To these Americans, they were probably trying to distinguish different types of foods, forget about the people. At any rate, the soldiers, in their unknowing-ness began calling these women “Geisha girls” and the word forever became synonymous with the word geisha. Even today, when foreigners see real geisha, they still call them “geisha girls.” I can bet you that if you go out onto the street and ask someone what a geisha is, they will either reply that they do not know, or that it is a prostitute.
I’d like to point out that a lot of this knowledge would not be available to me, and thus you, if it wasn’t for 1) Mrs. Mineko Iwasaki, who had to bear through many horrendous things because of Mr. Arthur Golden’s inability to follow a contract, and for her book Geisha, A Life, which although i have yet to read, made me realize how many of Mr. Golden’s details were incorrect, and 2) Mr. Okinawa Soba, whose flickr account made many interesting details about the lives of geisha and prostitutes available to me. Three of the URLs i used were:
I’d also like to point out just HOW difficult it is to find a picture of a formally and correctly dressed geisha, and a japanese prostitute. Well, I hoped this article brought some light upon the subject. Furthermore, I really don’t have much feedback from anyone about how i’m doing with these articles, and as i’ve never done anything like this before, i would very much appreciate any comments, feelings, questions, discrepancies, criticisms or whatever else it is that you can think of! In closing, I will leave you some pictures of ACTUAL geisha, and you can compare the differences for yourself. Thank you!