David Shiffman

Altered sea turtle sex ratios: Can global warming harm warm-water animals?

October 12, 2010 David Shiffman 5 Comments

When most people think of an animal threatened by global warming, images of a polar bear drowning because of lost ice habitat come to mind. Few know that climate change can also threaten animals used to living in environments much warmer than the Arctic. Even when you’re used to heat, too much heat can be a serious problem- particularly in vulnerable early life history stages.

One example of this phenomenon is the sea turtle. Though one species (the leatherback) often ventures into Arctic waters, the other species are largely confined to tropical and temperate climates. All seven species are threatened or endangered due to decades of bycatch mortality and habitat destruction, and they are in serious trouble as a result of warming beach temperatures.

Shark Science Monday: Thomas Farrugia discusses restoring lost shark and ray habitat

October 12, 2010 David Shiffman 3 Comments

Conservation, Science

A major threat facing sharks is the loss of important nursery habitat. In this week’s Shark Science Monday, Thomas Farrugia discusses how effective habitat restoration can be. Feel free to ask questions for Thomas in the comments. ~WhySharksMatter

Frito Lay abandons eco-friendly SunChip bags

October 7, 2010October 6, 2010 David Shiffman 10 Comments

Uncategorized

Last year, Frito Lay unveiled a 100% compostable bag for SunChips. Since packaging waste from single-serving junk food is a sizable chunk of our society’s trash, this move was a big deal and was cheered by environmentalists. They even had a sappy commercial showing how this could make the world more environmentally friendly. Remember the commercial?

How not to apply for a job working with sharks

October 6, 2010October 6, 2010 David Shiffman 11 Comments

Science

This week marked an important e-mail milestone for me: I received my 100th request for a job. I do not mean job offers (i.e. people saying “David, we’d like to hire you”), or requests for job advice (i.e. people saying “David, can you point me in the right direction?”). I’d be thrilled to answer any of those e-mails (particularly the job offers). I mean job requests (i.e. people saying “David, please hire me”).

I get all kinds of e-mails from readers, and I’m always happy to answer them. However, I would be remiss if I didn’t point out that applying for a job in this way is incredibly ineffective. I thought I’d take some examples from some of my favorite job request e-mails to explain to you all how not to apply for a job working with sharks.

Return of the light bulbs?

October 5, 2010October 5, 2010 David Shiffman 4 Comments

Uncategorized

Two weeks ago, I mentioned the strange “save the light bulb” movement, prompting Andrew to write an excellent analysis refuting their central claim. For some reason, this issue is really bothering conservatives and it just won’t go away.

Shark Science Monday: Michelle Heupel discusses the need for lethal shark research

October 4, 2010October 4, 2010 David Shiffman 6 Comments

Conservation, Science

Last spring, we held an ethical debate focusing on a paper called “Science or Slaughter”. The authors claimed that sometimes it is necessary to kill sharks to answer important scientific questions. One of the authors agreed to be interviewed for Shark Science Monday. Enjoy! As always, feel free to ask questions of the interview subject … Read More “Shark Science Monday: Michelle Heupel discusses the need for lethal shark research” »

Bad news for sharks in the South China Sea

September 30, 2010September 29, 2010 David Shiffman 1 Comment

Conservation, Science

While a large percentage of the world’s shark fins pass through Hong Kong fish markets, most come from far-away countries and little attention has been paid to shark populations in adjacent waters. An important new paper, appropriately titled “The sharks of South East Asia – unknown, unmonitored and unmanaged” provides new insight into this problem.

Help “A Sea Change” get on Netflix!

September 30, 2010September 30, 2010 David Shiffman 2 Comments

Uncategorized

The fantastic ocean-acidification documentary “A Sea Change” needs your help! They have just become a “saved film” on Netflix, which means that the DVD-rental website is waiting to see how many people add the movie to their queue before deciding whether or not to buy copies of it. If you or anyone you know has … Read More “Help “A Sea Change” get on Netflix!” »

Democrats support shark conservation, Republicans do not

September 29, 2010September 29, 2010 David Shiffman 13 Comments

Conservation

I’ve written about the Shark Conservation Act several times. Though it passed the House of Representatives, it keeps stalling in the Senate, and bills need to be passed by both in order to become law. The SCA would close many existing loopholes in United States shark management policy, and is endorsed by many conservation organizations.

Should South Carolina’s public colleges freeze new construction projects to save money?

September 29, 2010September 28, 2010 David Shiffman 5 Comments

Uncategorized

Rising tuition costs are a problem at institutions of higher learning around the country. When it is more expensive to go to college, fewer people can afford it. Various strategies have been tried to fix this problem, but the latest hits close to home for me. This week, South Carolina governor Mark Sanford proposed strict new spending rules for public colleges. From the Charleston Post and Courier article:

“The state’s Budget and Control Board could decide this week whether to place a moratorium on new building projects on public college and university campuses as a way to reduce the cost of tuition.”

Statewide, school administrators have greeted this announcement with strong resistance. Fundamentally, it all comes down to different philosophies of government. Conservatives like Mark Sanford support lower taxes and lower spending, while liberals favor a “tax and spend” strategy. Which is more appropriate for state-funded colleges?