Ebola’s end: History’s lessons
Spears helped our ancestors eat and defend themselves. Spearmaking required ingenuity, experiments and communication. Symmetrical stone More
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?
A “permanent” calendar could finally answer the annual, “Uh, what day is New Year’s eve this year?” question. This calendar would place More
Bookin’ science: Best of the batch.
If (gasp!) the subject is too big for a Whyfile, hit the books. More
The importance of being Einstein
Experiment: Earth “drags” spacetime, as Einstein predicted. What else did Einstein get right? (Hint: Lots and lots!) More
Peopling the Americas — New evidence
The Americans who made Clovis-style spear-points were not the first Americans — despite heavy archeological skepticism. More
Happy tax day: Meet bureaucracy’s roots!
Economic stimulus = just pouring concrete?
Obama decides that current and new grant applications at the National Institutes of Health are an effective economic stimulus. People More
Life during the “other” Big Bang!
Did the arrival of 4,000,000,000,000,000,000 tons of space junk start the formation of organic molecules roughly 4 billion years ago? More
Ancient cities: A new plan for sprawl?
Archeologists thought Middle-Eastern cities grew through remote “daughter” villages. A new study paints a different picture. More
Lovable Loot: Vaunted Vase Heads “Home”
Art, like fossils, can be stolen. What’s at the story on looting art, antiques, and fossils? More
Nuclear Wizard Dies
Edward Teller helped invent the hydrogen bomb, then pushed missile defense. He changed the 20th century. More
Skyscrapers: Engineering Challenge
What did the losing World Trade designs look like? What is the significance of a city skyline? More