www.woodlandtrust.org.uk/media/4350/horse-chestnut-conker-in-shell-on-tree-wtml-1079247-ben-lee.jpg) they're horse chestnuts, and they're poisonous. If they look like [this](https://www.sciencefriday.com/wp-content/uploads/2021/12/american-chestnuts.jpg), chances are its an edible chestnut (the differences between the native species and the introduced ones

ares.jsc.nasa.gov/](https://ares.jsc.nasa.gov/) [scientificamerican.com](https://scientificamerican.com) [http://www.sciencefriday.com/](http://www.sciencefriday.com/) [https://www.realclearscience.com/quick\_and\_clear\_science/](https://www.realclearscience.com/quick_and_clear_science/) [https://ui.adsabs.harvard.edu/](https://ui.adsabs.harvard.edu/) [http://www.amasci.com/](http://www.amasci.com/) [https://www.newscientist.com/](https://www.newscientist.com/) [http://www.archaeology.org/](http://www.archaeology.org/) [nature.com](https://nature.com

method. Most good cameras have a tripod mount. So you can bring up a [mounting adapter](https://www.sciencefriday.com/wp-content/uploads/2016/12/cupola-cameras-copy.jpg?resize=2048,1360) that can grab onto a hand-hold or other available hard point

Adapter that screws into the tripod mount](https://www.sciencefriday.com/wp-content/uploads/2016/12/cupola-cameras-copy.jpg?resize=2048,1360) and clamps any available rigid item, like astronaut hand-holds (blue

when it was discovered that a big chunk of our understanding was based on fabricated data. https://www.sciencefriday.com/segments/alzheimers-research-fraudulent-data/