Brazil, US Identify Molecule to Help Fight Citrus Greening
There is no cure for citrus greening disease.
Is Water Really on Mars?
Many questions remain.
Facebook Opens to Children Under 13 for Messaging
The app allows children to send photos, videos and text messages.
Facebook Uses Artificial Intelligence to Fight Suicide
Facebook chief Mark Zuckerberg
Sheep Can Recognize Human Faces
Scientists aim to use the sheep as models to study disorders of the brain.
Metal Recycling Businesses Prepare for More Electric Cars
Metal Recycling Businesses Prepare for More Electric Cars
Coffee to Help Power London’s Buses
London has been turning to biofuels to cut production of carbon emissions.
Scientists: CO2 Levels Will Rise This Year
Crop loss, drought, floods and rising sea levels are a few of the costly problems tied to climate change.
Scientists Find Large Amounts of Precious Metals in Wastewater
Swiss flushes gold and silver into sewer.
Mexico City Now Sends Earthquake Warnings to Phones
More than 20 million people live in the capital and surrounding area.