And her 1885 book, Food Materials and Their Adulterations, led to Massachusetts passing its the first Pure Food and Drug Act. Along with her partner, Dr. Robert McCance, Elsie Widdowson oversaw the ...

There are seven broad categories of web and they are not all used for catching food. Some spiders use webs as sleeping bags where they can rest and others use them as moulting platforms.

replacing once-complex food webs with greatly simplified food webs. On land, this simplification comes from the vast monocultures that have replaced habitats and ecosystems. In water, selective ...