Soap, a complex molecule, is both water-loving and water-fearing. Shaped like a tadpole, the soap molecule has a round head ...

Soap, a complex molecule, is both water-loving and water-fearing. Shaped like a tadpole, the soap molecule has a round head and long tail; the head is hydrophilic, and the tail is hydrophobic. This ...

Roger Ebertdidn’t just review movies—he tracked the cultural moment they arrived in and sometimes, how far ahead of it they ...

G et ready for the best dad jokes around! Yes, it's 2025, and the groan-worthy humor is still going strong. The phrase was ...