That depends on how you define a “car.” In 1869, Irish scientist Mary Ward was riding in a steam-powered automobile built by her cousins.

Volunteers of all ages are encouraged to come out and spend a morning planting willow trees to help restore the Paiute Meadows watershed, benefiting the surrounding community and helping protect the ...

Through the use of the Discernibility Matrix in Rough Set, this paper introduced an Attribute Reduction Algorithm, based on which, a new one is put forward about the Generation of Hybrid Decision Tree ...

E376,Causal Agent Beech leaf disease (BLD) is caused by an invasive nematode Litylenchus crenatae subsp. mccannii (Lcm; Figure 1). Nematodes are microscopic roundworms. Most nematodes are free-living, ...