David Hamilton

Dec 30, 2023 | mdpi.com | Chao Deng |Hong jing Zhang |David Hamilton

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Jul 12, 2023 | thetimes.com.au | David Hamilton

A world-first study has found concentrations of plastics in some lakes are higher than in the most contaminated parts of oceans, demonstrating the extent to which plastics have invaded Earth’s ecosystems. In a study released today[1], researchers sampled 38 lakes and reservoirs around the world, including in Australia, the United States, United Kingdom and Europe. Plastics and microplastics were found at every site, including very remote locations. Lakes are sentinels for human activity.

Jun 27, 2023 | miamitimesonline.com | David Hamilton

The next big advance in cancer treatment could be a vaccine. After decades of limited success, scientists say research has reached a turning point, with many predicting more vaccines will be out in five years. These aren’t traditional vaccines that prevent disease, but shots to shrink tumors and stop cancer from coming back. Targets for these experimental treatments include breast and lung cancer, with gains reported this year for deadly skin cancer melanoma and pancreatic cancer.

May 25, 2023 | discoverwildlife.com | David Hamilton

Preserving our heritage can have a remarkable effect on wildlife. Old airfields are taken over by ground-nesting birds, empty attics are colonised by bats and crumbling, ivy-clad castles become clifftop refuges for seabirds. Here are ten fascinating sites across the UK where history meets the wild. Greenham Common, BerkshireDuring the cold war, RAF Greenham Common was famously the home of NATO’s nuclear deterrent: an arsenal of short- to long-range cruise missiles targeted on Soviet Russia.

May 5, 2023 | discoverwildlife.com | David Hamilton

Technically seeds and nuts are quite different, but it's not always that simple... What is a seed? A seed is an embryonic plant. The plant embryo contains a tiny leaf, root and stem. Within the seed, you’ll find the endosperm, a nutrient-rich food source for the emerging seed and a protective casing. Broad beans are seeds, crack one open and you will see these tiny leaves and the emerging root. What is a nut? A true nut is a fruit with a hard shell containing an edible kernel.