Ebola’s end: History’s lessons

Ebola’s end: History’s lessons
As Ebola ravages West Africa, we seek answers in past epidemics. How did cholera, plague, smallpox end? Lacking drugs or a vaccine, how More »

Making spears

Making spears

Spears helped our ancestors eat and defend themselves. Spearmaking required ingenuity, experiments and communication. Symmetrical stone More »

Patent wars!

Patent wars!

How do patents work? What is “new, non-obvious and useful”? What will happen after the biggest change in patent law in 60 years? More »

Calendars: A fix needed?

Calendars: A fix needed?

A “permanent” calendar could finally answer the annual, “Uh, what day is New Year’s eve this year?” question. This calendar would place More »

The importance of being Einstein

The importance of being Einstein

Experiment: Earth “drags” spacetime, as Einstein predicted. What else did Einstein get right? (Hint: Lots and lots!) More »

Nuclear Wizard Dies

Nuclear Wizard Dies

Edward Teller helped invent the hydrogen bomb, then pushed missile defense. He changed the 20th century. More »