We find that people revise their beliefs about climate change upward when experiencing warmer than usual temperatures in their area. Using international data, we show that attention to climate change, as proxied by Google search volume, increases when the local temperature is abnormally high. In financial markets, stocks of carbon-intensive firms underperform firms with low carbon emissions in abnormally warm weather. Retail investors (not institutional investors) sell carbon-intensive firms in such weather, and return patterns are unlikely to be driven by changes in fundamentals. Our study sheds light on peoples’ collective beliefs and actions about global warming.

SUMMARY Sixteen patients who had a nasopharyngeal carcinoma (NPC) who were treated with radiation therapy were followed up after a median duration of 5 5 years and given a battery of neuropsychological tests. Results were compared with a comparable group of newly diagnosed NPC patients awaiting radiation therapy. The irradiated group was significantly poorer in overall IQ, nonverbal memory recall, and reported a substantially greater number of memory related complaints. These results contrast with the complacent general assumption that radiation therapy has a negligible effect on adult functioning.The central nervous system is often exposed to considerable doses of irradiation.'2 This happens when a primary or secondary tumour within the central nervous system is the target for radiation therapy and also when a tumour outside the central nervous system lies in its close proximity. Thus the temporal lobes are vulnerable to radiation therapy in patients with nasopharyngeal carcinoma (NPC) because they are in the path of the radiation beams.Although there is now much evidence of the hazar-

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