American tropics, Amazon origins

A new study is suggesting many of the plants and animals that call Latin America home…

Where hominid brains are concerned, size doesn’t matter

Researchers pieced together traces of Homo naledi's brain shape from an extraordinary collection of skull fragments…

How the brain decides to make an effort

From deciding to quit hitting the snooze button and get out of bed in the morning…

Nouns slow down our speech

Speakers hesitate or make brief pauses filled with sounds like 'uh' or 'uhm' mostly before nouns.…

World’s fastest water heater — 100,000 degrees in 0.000 000 000 000 075 seconds

Scientists have turned a powerful X-ray laser into the world's fastest water heater, reaching 100,000 degrees…

Biologists ‘transfer’ a memory through RNA injection

Biologists report they have transferred a memory from one marine snail to another, creating an artificial…

Deadly cancers show early, detectable differences from benign tumors

Do metastatic cancer tumors 'break bad' or are they 'born bad'? Researchers found that in the…

Lead pollution in Greenland ice shows rise and fall of ancient European civilizations

Scientists, historians and economists have used ice samples from the North Greenland Ice Core Project to…

Wearable ring, wristband allow users to control smart tech with hand gestures

New technology could make controlling text or other mobile applications as simple as '1-2-3.' Using acoustic…

High-sensitivity microsensors on the horizon

A new article explains how scientists borrowed concepts from quantum mechanics to build new microsensors that…