Razib Khan

Gene Expression

Open Thread, 11-08-2012

As comets approach the center of the Solar System, they send off trails of gas and dust. (Credit: Nazarii_Neshcherenskyi)

A falling comet

Learn more about Comet C/2024 G3 (ATLAS), which may be visible from the Southern Hemisphere in mid- to late-January.

The New Year Comet C/2024 G3 May Be 2025’s Brightest — Here’s What to Know

An artist’s rendering shows how Ahvaytum bahndooiveche may have appeared in a habitat dating to around 230 million years ago. (Credit: Gabriel Ugueto)




Illustration of Ahvaytum bahndooiveche dinosaur

Learn more about this newly named dinosaur and how it's discovery sheds light on dinosaur evolution.

Newly Identified Dinosaur was the Size of a Chicken and May be Oldest in North America

Graphic showing functional optimality drives repeated evolution of extreme saber tooth forms (Credit: Tahlia Pollock)


Graphic showing functional optimality drives repeated evolution of extreme saber tooth forms

Learn how a variety of tooth shapes drove evolution across multiple kinds of mammals.

Saber-Toothed Biting Analysis Shows Evolution Across Carnivorous Mammals

Excavations at Gesher Benot Ya’akov  (Credit: Gesher Benot Ya'akov team)


Digging For Cooking Tools

Analysis raises questions about what the Paleo Diet was historically.

Starch Traces on Stone Tools Push Back Evidence of Hominid Plant Prep by 400,000 Years 

(Credit: Corona Borealis Studio/Shutterstock)

Mars dust storm

Understanding why storms sometimes engulf the entire planet within a layer of grit could prove crucial to future missions.

Predicting Mars Weather Could Prevent Future Rover’s Dusty Demise 

Loaded aboard Firefly Aerospace’s Blue Ghost Lander, NASA’s LEXI instrument will observe Earth’s magnetic field from the moon (Credit: Firefly Aerospace)

Open Thread, 11-08-2012

Newsletter