Uncategorized
-
CosmologyAncient dwarf galaxy was heavy-element factory
A rare event in an ancient galaxy left traces of heavy elements in its stars.
-
PaleontologyBaby titanosaur was parents’ Mini-Me
Babies of one species of titanosaur resembled mini-versions of full-grown adults, and probably acted like them, too.
By Meghan Rosen -
LifeGene found that controls beak size in Darwin’s finches
A beak-size gene helped determine whether Darwin’s finches survived a drought.
-
PaleontologyClearer picture emerging of dinosaurs’ last days
Dinosaurs’ final days may have included both a giant asteroid and gradual species die outs. Two new studies paint an increasingly intricate picture of dinosaur’s demise.
By Meghan Rosen -
NeuroscienceLeft brain stands guard while sleeping away from home
Part of the left hemisphere stands sentry while the rest of the brain and body snooze.
-
AgricultureBacterium still a major source of crop pesticide
Bacillus thuringiensis bacteria have provided pest-fighting toxins for over 50 years.
-
Health & Medicine‘Dirty’ mice better than lab-raised mice for studying human disease
Dirtier mice may better mimic human immune reactions.
-
SpaceTrying to find ET and our place in the universe
Editor in Chief discusses the search for life beyond Earth.
By Eva Emerson -
Science & SocietyHumans have pondered aliens since medieval times
People have been fascinated with extraterrestrials for centuries. If only aliens would get in touch.
-
CosmologyHow to make gravitational waves ‘sing’
A rapidly spinning black hole would make a unique pattern of gravitational waves when it sucks in a smaller companion.
-
AstronomyTo find ET, look at who’s (maybe) looking at us
To listen for aliens, two astronomers suggest that we focus on stars whose inhabitants can see Earth periodically cross in front of our sun.
-
AnimalsCave-dwelling salamander comes pigmented and pale
Something’s funny in the family tree of pale, slinky cave salamanders.
By Susan Milius