In a genetic surprise, ancient DNA shows the closest family members of an extinct bird known as the Haitian cave-rail are not in the Americas, but Africa and the South Pacific, uncovering an unexpected link between Caribbean ...
Plants & Animals
Mar 16, 2021
0
92
When complex systems double in size, many of their parts do not. Characteristically, some aspects will grow by only about 80 percent, others by about 120 percent. The astonishing uniformity of these two growth rates is known ...
Economics & Business
Mar 16, 2021
0
2126
Male songbirds usually learn their tunes from adult mentors. But when aspiring crooners lack proper role models, they hit all the wrong notes—and have less success attracting mates.
Plants & Animals
Mar 16, 2021
0
2838
The U.S. Army Corps of Engineers has determined that a large earthquake—which is expected to occur again in the Pacific Northwest sooner or later—could cause the spillway gates of a dam in Oregon to buckle, resulting ...
Environment
Mar 16, 2021
0
10
Bring on Twilight. Lee Child's Jack Reacher? Yes, please. More of James Patterson's Alex Cross while we're at it. And let's finish off with revisiting the million-plus words of the Harry Potter saga.
Education
Mar 16, 2021
0
217
It's not uncommon for crescent-shaped swaths of sand to dot the shorelines of meandering rivers. These swaths usually appear along the inner side of a river bend, where the bank wraps around the sandy patch, forming deposits ...
Earth Sciences
Mar 16, 2021
1
3485
The market for air purifiers is booming, but a new study has found that some air cleaning technologies marketed for COVID-19 may be ineffective and have unintended health consequences.
Environment
Mar 16, 2021
4
501
New results from the Ultraviolet Spectrograph instrument on NASA's Juno mission reveal for the first time the birth of auroral dawn storms—the early morning brightening unique to Jupiter's spectacular aurorae. These immense, ...
Astronomy
Mar 16, 2021
0
11880
A global review of coastal drowning science has found there is only one study worldwide that has evaluated beach safety education programs in schools.
Other
Mar 16, 2021
0
3
The discovery of a rare bone artifact near the Lower Murray River casts more light on the rich archaeological record on Ngarrindjeri country in southern Australia.
Archaeology
Mar 16, 2021
0
142
