Common Weed Killer Makes Male Frogs Lay Eggs

The so-called pregnant man has company: One of the most common weed killers in the United States can make male frogs lay eggs, a new study says.

Atrazine, widely used to kill pests on U.S. croplands, is an endocrine disruptor—a substance that interferes with animals’ reproductive systems.

Universe 20 Million Years Older Than Thought

by Rachel KaufmanPublished in National Geographic News2010-02-09 If you want to celebrate the universe’s birthday, you might need to add a few more candles to the cake. That’s because our universe is about 20 million years older than thought, according to the most accurate measurement yet made of the universe’s age. The data are the … Continue Reading

Lost Roman Codex Fragments Found in Book Binding

by Rachel KaufmanPublished in National Geographic News2010-02-03 Fragments of a lost ancient Roman law text have been rediscovered in the scrap paper used to bind other books. The Codex Gregorianus, or Gregorian Code, was compiled by an otherwise unknown man named Gregorius at the end of the third century A.D. It started a centuries-long tradition … Continue Reading

Social Media Success

As some of you already know, this year I’m making the transition from “writer, editor, and blogger” to “writer, editor, blogger, and author. That’s right. I am gonna sell a book this year, darn it! As part of that goal, I’ve added a bunch of agent blogs and writing blogs to my RSS reader, figuring … Continue Reading

World’s Smallest Orchid Discovered (By Accident)

The world’s smallest known orchid (pictured)—just over 2 millimeters (0.08 inch) across and nearly see-through—has been discovered nestled in the roots of another flower in Ecuador, scientists announced this week.

Nanowrimo 2009

That’s right, folks, I’ve finished Nanowrimo 2009 with a steampunk story starring the spunkiest wrench wench ever to walk the streets of New Bombay. Considering the speed at which I churned out either 50,419 words or 50,093 words (depending on whether you believe Nanowrimo’s word counter or Scrivener‘s), I’m actually happy with the way the … Continue Reading

Worms’ Paralysis Turned On and Off With Light

by Rachel KaufmanPublished in National Geographic News2009-11-20 If Dr. Horrible really did have a “freeze ray,” he might stop the world by zapping it with ultraviolet light, new research suggests. After feeding a light-sensitive chemical to transparent, microscopic worms called nematodes, scientists at Simon Fraser University in British Columbia were able to paralyze the tiny … Continue Reading

Savings Splurge: Local Experts on Federal Tax Credits

Those aspiring to own real estate who didn’t think they’d make the deadline for a tax credit now have eight thousand more reasons to buy: On Nov. 6, the government extended the $8,000 tax credit for first-time homebuyers for another six months. Instead of expiring on Nov. 30, buyers now have until April 30, 2010 to sign a contract for a home.

Marine Machines Made in Nature’s Image

If it looks like a fish and swims like a fish, it could be a robot–such as the University of Bath’s Gymnobot, inspired by an Amazonian knifefish.

Researchers worldwide are developing robots that look and act like aquatic creatures. That’s because biomimetic gadgets–bots that take inspiration from nature–are often more efficient than their clunkier counterparts.