Author Archives: Carolyn Gramling

A Darker, Warmer Red Planet

By Carolyn Gramling / April 6, 2007

Mars, like Earth, may be experiencing climate change.

Posted in Space

A Long Trek to Asia

By Carolyn Gramling / April 6, 2007

An ancient skeleton from a Chinese cave shows how far humans walked when they left Africa.

Posted in Ancient Times

Invisibility Ring

By Carolyn Gramling / October 20, 2006

Scientists have invented a ring-shaped device that’s invisible to microwaves.

Posted in Technology & Engineering

Crocodile Hearts

By Carolyn Gramling / October 20, 2006

A crocodile’s special heart may help it digest large, bony meals.

Posted in Animals

The Pacific Ocean’s Bald Spot

By Carolyn Gramling / October 13, 2006

A large swath of seafloor at the bottom of the Pacific Ocean lacks sediment.

Posted in Earth | Tagged , , ,

Mating Slows Down Prairie Dogs

By Carolyn Gramling / October 13, 2006

Mating season turns distracted male prairie dogs into easy pickings for predators.

Posted in Animals

Sticky Silky Feet

By Carolyn Gramling / October 6, 2006

The feet of zebra tarantulas can produce silk threads that may help them get a firmer grip.

Posted in Chemistry

Dwarf Planet Discord

By Carolyn Gramling / October 6, 2006

A dwarf planet at the fringes of the solar system finally gets an official name.

Posted in Space

Stalking Plants by Scent

By Carolyn Gramling / September 29, 2006

A vine that feeds on other plants finds its victims by their smell.

Posted in Plants

Storing Memories before Bedtime

By Carolyn Gramling / March 30, 2006

The brain begins processing lessons learned during the day long before bedtime.

Posted in Brain & Behavior