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David Bradley

Sciencebase - Freelance Science Writer

Last Build Date: Tue, 19 Sep 2017 17:36:29 +0000


Reviewing a BenQ “eye-care” monitor

Mon, 04 Sep 2017 14:27:22 +0000

It is quite timely that monitor manufacturer BenQ have just sent me their latest bit of kit to review. It is a 27-inch (68 cm) “eye-care” monitor. The device boasts that it addresses many of the problems facing home workers such as long periods of use, bright rooms, non-ideal environment and placement of monitors in … Continue reading "Reviewing a BenQ “eye-care” monitor"

Floating pennywort

Tue, 29 Aug 2017 16:31:46 +0000

Floating pennywort is a highly invasive, non-native species that is choking up the river Cam once again. It doesn’t particularly need excess nitrates or heat to grow like this, just plenty of sunlight and relatvely still waters. In 2012, the Ely Standard reported how the Environment Agency had acquired a floating weed harvester and had pulled … Continue reading "Floating pennywort"

Fox on the run

Sun, 27 Aug 2017 19:33:46 +0000

Headed out before sunset today to see if we could spot the barn owl hunting again…no luck. Lots of linnets, wood pigeons, long-tailed tits and not much else. However, the sun had gone down and we were almost back to the main road when we spotted a (juvenile?) fox pouncing on insects in the recently … Continue reading "Fox on the run"

Departing are such sweet swallows

Sat, 26 Aug 2017 15:52:09 +0000

In some parts of the UK, the migrants have already departed, but there are plenty of swifts, housemartins, sandmartins, and barn swallows here in East Anglia, from the North Norfolk coast, to deepest Norfolk and west again to Cambridge (well those are the places I’ve seen them this week). Back in early May, I photographed … Continue reading "Departing are such sweet swallows"

NWT Barton Broad

Fri, 25 Aug 2017 09:24:01 +0000

Heading home from a camping trip in North Norfolk, we had vague plans to visit an RSPB reserve in the area but sidled up to the second largest of the broads, Barton Broad in Barton Turf. The broad was apparently only accessible by boat until 2003 (when a boardwalk was piled and constructed to get … Continue reading "NWT Barton Broad"

Migrants and the problem of longitude

Thu, 24 Aug 2017 16:24:31 +0000

How do migratory birds like the Eurasian reed warbler (Acrocephalus scirpaceus) know which way to go when heading south for the winter? Indeed, how do they find their way back from sub-Saharan Africa in spring to breed among the reeds in the wetlands of Europe and Asia? The answer may lie with magnetic lines and how … Continue reading "Migrants and the problem of longitude"

Chasing Wild Geese

Sun, 20 Aug 2017 08:17:23 +0000

This is the preface to my new book – Chasing Wild Geese If you send an email, blank or otherwise to you should get a link to the FREE 10-bird sampler as a PDF ebook by return. Scopelessly in love with birds I’ve always had a soft spot for our feathered friends. After all, … Continue reading "Chasing Wild Geese"

Flying visit to RSPB Snettisham

Mon, 14 Aug 2017 15:59:00 +0000

…always escaping to the coast when we can, headed up the A10 (not quite as the crow flies, as we were in a car), took almost as long to get around King’s Lynn north to Snettisham as it had from here to King’s Lynn. Not to worry, we made it by midday. We’d missed the … Continue reading "Flying visit to RSPB Snettisham"

What is fipronil and why is it in our eggs?

Mon, 14 Aug 2017 08:22:20 +0000

Fipronil – broad-spectrum insecticide, one of a group of compounds known as phenylpyrazoles. Andy Brunning over on Compound Interest cracks open the story… To quote Compound Interest: It appears that Fipronil was mixed in with a red mite treatment, Dega-16, in order to enhance its effectiveness. Red mites are common pests on poultry farms. Fipronil … Continue reading "What is fipronil and why is it in our eggs?"

Are we getting warm yet?

Tue, 08 Aug 2017 13:53:15 +0000

Greenhouse gases –> global warming –> climate change Country by country temperature anomalies from 1900 to the present day as a neat chart, an international problem Animation by Antti Lipponen, a physicist at the Finnish Meteorological Institute.