Articles by

Freda Kreier

Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

It started with polar bears. In 2012, polar bear DNA revealed that the iconic species had faced...

Earth’s lower atmosphere is rising due to climate change

Global temperatures are rising and so, it seems, is part of the sky. Atmosphere readings collected by...

Gene-edited stem cells help geckos regrow more perfect tails

Regenerating body parts is never easy. For instance, some lizards can grow back their tails, but these...

Dog DNA reveals ancient trade network connecting the Arctic to the outside world

Ancient Arctic communities traded with the outside world as early as 7,000 years ago, DNA from the...

China’s lunar rock samples show lava flowed on the moon 2 billion years ago

Lava oozed across the moon’s surface just 2 billion years ago, bits of lunar rocks retrieved by...

This is the oldest fossil evidence of spider moms taking care of their young

Long before Tyrannosaurus rex walked the Earth, sap engulfed a spider guarding her egg sac. Her corpse,...