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High School Students Need More Sleep, Study Finds

SCIENCE | Thursday Aug 28, 2014
A study finds early school start times negatively effect high school students, and may lead to obesity, high-blood pressure and depression. Dr. Jon LaPook reports.

California's Early Warning System for Earthquakes

SCIENCE | Aug 28
A new early warning system developed at UC Berkeley provides a heads-up 10 seconds before an earthquake hits. Similar systems are already in place in Japan and Mexico, but the Berkeley team says $80 million is required to send message.

Nick Howell a member of the McLean family who owns Uncle Matt's organic orange juice company, places a vial containing the tamarixia wasp to release in their orange groves in hopes of combating the citrus greening disease.

Invasive Insect Threatens Iconic Florida Citrus

SCIENCE | By Tamara Lush | Aug 27
The $9 billion citrus industry is facing its biggest threat yet, putting at risk the state's economy and very identity. Blame a mottled brown bug no bigger than a pencil eraser and a disease called "the yellow dragon."

Principal investigaor Nelli Westercamp

Circumcision Doesn't Promote Risky Behavior By African Men

SCIENCE | By Winnie McCroy | Aug 26
Men do not engage in riskier behaviors after they are circumcised, found a study in Kenya by University of Illinois at Chicago researchers.

Whale Wars :: Return of the Humpback

SCIENCE | Aug 25
60 Minutes travels to the South Pacific on the trail of the humpback whale. Scott Pelley reports.

In this handout photo released by the Greek Culture Ministry on Thursday, Aug. 21, 2014, two large stone sphinxes are seen under a barrel-vault topping the entrance to an ancient tomb under excavation at Amphipolis in northern Greece.

Greek Archaeology Site Excites Intense Interest

SCIENCE | By Nicholas Paphitis and Costas Kantouris | Aug 24
The partially uncovered tomb from the end of Greek warrior-king Alexander the Great's reign, which was found inside the mound, has sparked intense media interest amid wild speculation about its contents.

Poachers Push African Elephants to Brink of Extinction

SCIENCE | Aug 22
A new study predicts the African elephant may be extinct within 100 years. Poachers get rich my selling their tusks - a trade that's killing elephants by the tens of thousands. Holly Williams reports.

Iceland Volcano Eruption Threatens Europe's Airspace

SCIENCE | Aug 21
Authorities in Iceland are warning the airline industry about a possible volcanic eruption that could send ash spewing into the sky - and into the path of planes. CBS News' Alphonso Van Marsh reports.

Mapping the World's Coral Reefs like Never Before

SCIENCE | Aug 21
Jeff Glor tells us about a battle to save the world's coral reefs, waged by scientists and explorers armed with some very special cameras.

A power tower at the Ivanpah Solar Electric Generating System near Primm, Nev.

Emerging Solar Plants Scorch Birds in Mid-Air

SCIENCE | By Ellen Knickmeyer, John Locher | Aug 21
Workers at a state-of-the-art solar plant in the Mojave Desert have a name for birds that fly through the plant's concentrated sun rays - "streamers," for the smoke plume that comes from birds that ignite in midair.

Horse Tattooed to Prevent Cancerous Eye Ulcers

SCIENCE | Aug 20
A Missouri foxtrotter horse suffers from pigmentation problem that causes his right eye to sunburn and form ulcers. Local tattoo artists inked black around the horses eye to absorb the damaging sunlight.