Caressa Roberts Bray

6 Added | 1 Magazine | 2 Following | @Caressa5lij | Keep up with Caressa Roberts Bray on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Caressa Roberts Bray”

Ancient People Achieved Remarkably Clean Teeth With Noxious Weed?

Eating the tuber of a bad-tasting plant prevented cavities 2,000 years ago.<p>The purple nutsedge is one of the world's worst weeds, spreading stealthily underground and shrugging off herbicides as if they were soda water. But new research shows that for one ancient people, this noxious plant may have …

Could Giant Viruses Be the Origin of Life on Earth?

The ancestors of modern viruses may have laid the groundwork for cellular life as we know it.<p>Chantal Abergel and Jean-Michel Claverie were used to finding strange viruses.<p>The married virologists at Aix-Marseille University had made a career of it. But pithovirus, which they discovered in 2013 in a …

Biology

As Sea Ice Shrinks, Can Polar Bears Survive on Land?

The predators can stay alive on goose eggs and caribou, scientist argues.<p>Here's one possible summer menu for polar bears being forced to stay on land due to a lack of reliable sea ice: 60 snow goose egg clutches, 53 goslings, 63 adult geese, 3 caribou calves, and 3 adult caribou. Garnish with …

Wildlife

Strongest typhoon in 40 years targets China

BEIJING — Super Typhoon Rammasun, one of the strongest storms to hit China's coast, roared into southern China on Friday afternoon, killing at least one person and packing winds of up to 134 mph.<p>After causing havoc, widespread damage and at least 54 deaths in the Philippines this week, Rammasun …

Natural Disasters

ISIS threatens Iraqi Christians in Mosul

The militant jihadist group Islamic State in Iraq and Syria killed dozens of Syrian troops and workers during an attack on a gas field in central Syria, the Syrian Observatory for Human Rights said.<p>The Islamic State in Iraq and Syria, or ISIS, killed 270 Syrians, including national guard members, …