Monday, May 02, 2005

Payment where it is due

In March I took a ten-day trip to Panama. While I was there, I was struck by a number of interesting connections. The Panama canal is crucial to the economy of Panama, and is absolutely vital for the swift transit of goods around the world. Yet because the canal is operated by a series of freshwater locks, the whole system depends on a continuing supply of water from the environment. It turns out that this fact has not escaped the scientists who work in Panama, nor the money men and various plans are already underway to try and reforest the canal watershed in order to maintain a regular supply of water. In researching the piece, it became clear that this is very much part of an emerging approach to the environment that involves payments for environmental services--and that science is the key to defining and quantifying these for economists. The result was a three-page article in The Economist that was tied to a cover and leader (op-ed) about rescuing environmentalism. The full article can be read free online from the link below.

Environmental economics
Are you being served?

Apr 21st 2005 | PANAMA CITY

Environmental entries are starting to appear on the balance sheet. Perhaps soon, the best things in life will not be free

AT THE Miraflores lock on the Panama Canal it is possible to watch the heartbeat of international trade in action. One by one, giant ships piled high with multi-coloured containers creep through the lock's narrow confines and are disgorged neatly on the other side. If it were not for the canal, these ships would have to make a two-to-three-week detour around South America. That would have a significant effect on the price of goods around much of the world. It is therefore sobering to consider that each ship requires 200m litres of fresh water to operate the locks of the canal and that, over the years, this water has been drying up. (Continues...)



Friday, April 15, 2005

Out for a duck

This week sees the publication of a two-page piece about Avian influenza, aka “bird flu”, which was co-authored by my colleague in Bangkok. Essentially the piece points out that bird flu is now endemic in Asia with little chance of being eliminated from the domestic flocks in the next few years. It goes on to explain that this means there is a reservoir of this virus from which something nasty, and more easily transmissible between humans, could emerge.

In some rich countries governments are hoping to provide a first line of defence against any consequent outbreak of human influenza with the antiviral drug Tamiflu. They are then hoping that work underway now on a vaccine will enable them to gear up production rapidly if, and when, a human influenza pandemic emerges from the avian influenza. But even at current rates of antiviral production, all the countries that want Tamiflu will not see their orders filled for a couple of years. I get the strong impression from the World Health Organisation that it feels like it is having to chivvy governments and companies along in order to get this basic vaccine development done. And I wonder if I detect some degree of frustration at the lack of progress?

In the event of a human influenza pandemic, how poor countries will tackle the problem, when they have no facilities for making vaccines even if the recipe is known, is entirely unclear. Should a pandemic emerge, countries with the facilities to produce vaccines would service the needs of their own population first.These are the rich nations.

Of course everyone wants to make sure that their own country is served first, but I wonder whether global stockpiling of vaccines and anti-retrovirals might be an idea as well, so that these could be focused on areas where epidemics break out—in the hope of preventing a pandemic (a global outbreak). SARS was prevented from spreading worldwide by stamping it out in a very careful matter. On the other hand, of course human influenza is a different matter, and much more easily transmitted.

Given that this is not a predictable event, it is really tough to come up with answers. As the Asian tsunami showed the solutions seem so obvious after the event.

The spread of bird flu in Asia
Bird flu is now endemic in Asia. This is frightening for everyone
Apr 14th 2005

Finally, a short little item from the week previously about a bioprospecting operation out in Panama. This one requires a subscription.

Finding medicines in odd places
Searching for drugs in a tropical country
Apr 7th 2005

Saturday, April 02, 2005

One-third of paradise and other stories

It has been a busy time in the last month or so. Two big pieces published in that time that are outside of the Economist subscription wall. The best, I think, is one reporting on a meeting in Washington where there was a discussion about how much of the fabled Iraqi marshlands could be restored. The scientists reckon this is about 30%, the article, though, raises some issues about the actual practicality of achieving this.


One-third of paradise
Feb 24th 2005 | WASHINGTON, DC
Can southern Iraq's marshes be restored?

The second story is a little bit more arcane but a fascinating one if you are at all interested in the saga of America's space programme. It highlights an odd bit of American non-proliferation legislation that will prevent the US buying Russian Soyuz rockets, the article argues that it could have profound implications for the future of the space programme.


No plan B for outer space
Mar 10th 2005 America's plans for humans to explore space may cause it to relax its laws on weapons proliferation

Another space story, this one behind the subscription wall. A young researcher in the US has been analysing pictures from the Hubble telescope and argues in her PhD thesis that the images owe rather more to artistic license than those behind the pictures let on. The piece goes on to say that it is the popularity of images from Hubble that have given the instrument such widescale support, and why there is such a fight on to preserve it. Many of the images go through a lot of processing in order for them to look like the amazing polished pictures we see, and some artefacts (i.e. things that are not there) are left in the picture for effect. This may not matter, but it isn't science. What I didn't get the space to mention in the piece, but is well known, is that the Hubble Archive Project-the team that creates these pictures-actually has a tiny amount of dedicated telescope time in order to take the pictures. This has been slightly controversial because a telescope that was designed and built for science is being used to take pretty pictures. This tiny diversion of resources is finally paying off as even the politicians join the fight to save Hubble.


Heavenly light
Feb 24th 2005 | WASHINGTON, DC People are too attached to Hubble's pictures to let the space telescope go

This is a little round up of the Millennium Ecosystem Report, an accurate but slightly depressing global view of the state of the planet's ecosystem services. A forest, a grassland, a wetland, a pond are all examples of ecosystems. A byproduct of the species that live in them are a number of services, such as water filtration and pollination of crops. Basically a lot of stuff we get from nature for free. The good news is that it is becoming increasingly clear that these services are something that we depend on and that there is quite a lot we can do to improve their status. Subscribers only.


Habitats for humanity
Mar 31st 2005 A new report suggests that humanity is stretching its natural assets

Finally, a little piece that tries to clear up confusion about whether or not life on Mars has been discovered. The short answer is that it hasn't, although several reports have suggested an announcement is imminent. Subscribers only.


Life on Mars!!! (Not)
Mar 3rd 2005 Martians, or the lack of them, sow discord on Earth

Thursday, February 03, 2005

Mysterious titan and other stories

A little article on Titan that discusses the mysterious white moving blob. Nobody knows what it is but in a sequence of images from the lander, there is a pale object that appears to move across the camera's field of vision. Is it real, or just a statistical anomaly to do with the way the sequence of pictures were stitched together? Possibly. But we are not talking aliens. The latest speculation is that it is a snowflake.

Space exploration: Moon river? Jan 20th 2005 (subscription required)


And this article upset quite a few people. Some people are convinced it is supporting Summers for making his remarks, and others that I am attacking him. For the record, while I think the idea of whether women think differently from men is an interesting subject, and might even be worth considering in the context of why so few women are making it in science, what I thought of him raising the issue and the manner in which he did it is summed up in the title that I gave to the piece.


Sex and academia: Birdbrained Jan 20th 2005 (subscription required)

Tuesday, January 11, 2005

Watching paint dry

Describing something dull as being as interesting as watching paint dry might be surprisingly innacurate at the small scale. If it were possible to take a video of polymers in the paint coming together and forming stable structures, and water molecules lifting off the surface, it would be fascinating to watch. Something like watching ice crystals growing on a window in slow motion or a flower blooming on a time-lapse camera. Previously, it has not been possible to watch and record atoms and molecules do their stuff in real time. Now, though, it is. A new machine from a company called Infinitesima allows this, and one of the first markets they expect for it is for companies studying the properties of drying paint. Subscribers to the Economist can read more: Not as boring as you thought, Jan 6th 2005.


Thursday, January 06, 2005

Small wonders....

On December 30th at 8.30pm (repeated on January 1st), my radio documentary Grey Goo's Sticky Mess was broadcast. At the time of writing this programme is still available online here.... A programme transcript is also promised at some time in the New Year. If you are unable to get hold of either of these, please email me at nloder@yahoo.com.

On January 1st, my survey of nanotechnolog--called Small Wonders--was also published in The Economist. There is also a radio interview with me as an online link. I have a limited number of spare copies of this survey, so if you'd like to read it please email me your details at the address above.

Finally, two recent articles published, one in November about sorting sperm with optical tweezers.

Also coming up this week is another bit of nanowizardry in the form of a machine that can make videos of atoms and molecules, making it finally possible to watch paint dry in thrilling detail.





Virgin Galactic is ready for take off

In the Christmas edition of The Economist, check out an article about the incipient private space tourism industry. "One small step for space tourism..." is in the edition dated December 16th 2004. A little bit of overmatter on this article is that one of the plans for tourists paying for $200,000 flights is to actually mould each reclining seat to the individual passenger. (The seats will have to be recliners to reduce the effects of the G-forces of the spaceship.) Passengers will be given this seat as a souvenir to take home with them.