News tagged with 21st century

Warming turns tundra to forest

(Phys.org) -- In just a few decades shrubs in the Arctic tundra have turned into trees as a result of the warming Arctic climate, creating patches of forest which, if replicated across the tundra, would significantly ...

Jun 04, 2012 3.9 / 5 (17) 125 | with audio podcast

Today's severe drought, tomorrow's normal

(PhysOrg.com) -- While the worst drought since the Dust Bowl of the 1930s grips Oklahoma and Texas, scientists are warning that what we consider severe drought conditions in North America today may be normal ...

Dec 06, 2011 3.6 / 5 (12) 8 | with audio podcast

Rare earth metals: Will we have enough?

Life in the 21st century wouldn't be the same without rare earth metals. Cell phones, iPads, laptops, televisions, hybrid cars, wind turbines, solar cells and many more products depend on rare earth metals ...

Sep 20, 2012 4.1 / 5 (8) 13

Animals and humans—a false divide?

We don't just share our lives with animals; we are animals – a reality that we often choose to forget in modern Western culture. Research published in the June special issue of SAGE journal, Social Science Information (SSI), ...

Jun 05, 2013 5 / 5 (5) 2

Cities, states face off on municipal broadband

Wilson, N.C., determined nearly a decade ago that high-speed Internet access would be essential to the community's social and economic health in the 21st century, just as electricity, water and sewers were in the previous ...

Aug 19, 2014 5 / 5 (3) 1

The transit of Venus

Many astronomers and members of the public in Britain will be getting up early on the morning of 6 June, so they can see the final Transit of Venus of the 21st century. The Transit, when Venus passes directly ...

May 29, 2012 4.7 / 5 (3) 1