Uncategorized
-
PaleontologyFossil sheds light on early primates
Partial skeleton near root of monkey, ape and human line.
By Bruce Bower -
AnimalsDead, live guppies vie for paternity
Females can use sperm months after mates go belly up.
By Susan Milius -
PaleontologyLizard king thrived in ancient warm climate
The herbivorous reptile of 40 million years ago was around 2 meters long.
-
Planetary ScienceThirty years to Mars
Excerpt from the June 15, 1963, issue of Science News Letter.
By Nathan Seppa -
Letters to the editor
Wet Earth Erin Wayman’s article “Faint young sun” (SN: 5/4/13, p. 30), about how the early Earth stayed warm enough for liquid water, made me wonder about the effect of the temperature of the planet itself. A hotter core, thinner crust, more volcanism — wouldn’t those factors in addition to atmospheric influences affect surface temperature? […]
By Science News -
AnimalsFrog long thought extinct rediscovered in Israel
Hula painted frog turns out to be the only surviving member of an extinct genus.
By Meghan Rosen -
Health & MedicineFlu spreads via airborne droplets
Hand washing goes only so far in retarding flu transmission.
-
HumansDietary changes accompanied human evolution
Hominids moved toward eating grasses and away from tree leaves, according to chemical analyses of fossil tooth enamel.
-
ArchaeologyItalians taught French wine-making
Archaeology suggests Etruscans brought the grape to Gaul.
-
HumansCouples who meet online have fine marriages
Relationship satisfaction for Internet daters is similar to that of people who find potential partners in more traditional ways.
-
LifeGenes weakly linked to education level
A search of more than 2 million DNA locations in more than 125,000 people finds a weak, and perhaps dubious, association with schooling.
-