Stonehenge, other ancient rock structures may trace their origins to monuments like this
Megalith culture traced back to northwestern France nearly 7000 years ago".
Metallurgy, Chemicals
Even for fish, it can be a drag to swim while pregnant
3D-printed pregnant fish show that bigger fish face stronger drag forces".
Watch a maggot ‘fountain’ devour a pizza in 2 hours
Findings could help grub farmers using human food waste to produce larvae-based chicken feed".
Applause, with some raised eyebrows, for Trump’s pledge to end AIDS in the United States by 2030
President’s proposal aligns with policies pursued by Hillary Clinton and former President Barack Obama".
Here’s how your city’s climate will change by 2080, if you’re in Canada or the United States
Washington, D.C., will be as steamy as Paragould, Arkansas".
Space magnet homes in on clue to dark matter
But aging cosmic ray experiment may never explain the mystery of extra antimatter".
This neuroscientist is fighting sexual harassment in science—but her own job is in peril
Twitter warrior BethAnn McLaughlin takes aim at harassers".
Bees ‘get’ addition and subtraction, new study suggests
Honey bees can add and subtract using colors as symbols".
Measles cases have tripled in Europe, fueled by Ukrainian outbreak
With more than 54,000 cases in 1 year, Ukraine tries to encourage vaccination".
Radar reveals a second potential impact crater under Greenland’s ice
If confirmed, it would be even larger than Hiawatha crater".
Worrisome nonstick chemicals are common in U.S. drinking water, federal study suggests
A study of 25 water systems found that all had some contamination".
New chapter in climate change politics begins with simultaneous House hearings
Discussions marked by less skepticism from Republicans".
Hindu nationalists claim that ancient Indians had airplanes, stem cell technology, and the internet
The rapid rise of pseudoscience in the Modi era triggers ridicule and concern".
How HIV/AIDS ended up in Trump’s State of the Union speech
Top public health officials didn’t expect idea to get high-profile endorsement".
Top stories: bees doing math, the link between gut bacteria and mood, and a potato breeding revolution
This week’s top Science news".
Poor sleep could clog your arteries. A mouse study shows how that might happen
Rodents reveal a new link between brain signaling and vascular disease".
New DOE policies would block many foreign research collaborations
Two memos describe crackdown on foreign talents program and interactions with national labs".
How do you take a hamster’s pulse?
Researchers have used radio-frequency identification technology to wirelessly keep track of little critters’ heartbeats".
This ant-inspired robot can navigate better than civilian GPS
New system puts it within centimeters of its target".
These platelet ‘decoys’ could prevent blood clots without spreading cancer
Novel structures aim to help cancer, cardiac patients".