Topic
Reporting derived from a single university communications release, reproduced across outlets without independent expert comment.
Johns Hopkins reports that mouse axons preserved by high pressure freezing are beaded at the nanoscale, and says that shape may help set how fast signals travel, a variable the textbook drawing of a smooth tube leaves out.
Reality
A NASA-funded team simulated the solar system's passage through cold galactic clouds and put dates on when Earth sat outside the Sun's shield. Dust in seabed cores gives that reconstruction a check; the temperature effect has none yet.
Reality
Researchers led by the Canadian Museum of Nature scored coil direction in photographs of more than 900 embryos and then found the tether on a CT scan, which points to mechanics rather than a developmental program.
Perspective Coverage
3 publishersReality
The study separates tolerating dogs from provisioning for them, and finds intention to visit, spending and recommendation all rise; the summary stops short of the effect size an operator would need to price a menu.
Reality
A Monash researcher argues Australopithecus and Paranthropus belong inside Homo because the traits that once separated them no longer hold. The fossils do not change; every label on them would.
Reality