News
- Life
First chromosome made synthetically from yeast
Work with yeast marks the first time scientists have synthesized a chromosome from organisms with complex cells and represents a major step toward lab-created eukaryotic life.
- Planetary Science
Icy rings found around tiny space rock
Astronomers discover an icy ring around the planetoid Chariklo, held in place by unseen moons.
- Neuroscience
Scans suggest how the mind solves ethical dilemmas
Brain scans suggest how the mind solves a moral dilemma.
- Health & Medicine
Early treatment may stave off esophageal cancer
Zapping precancerous tissue in patients with Barrett’s esophagus might reduce incidence of cancer.
- Humans
Former baseball players have big, strong bones in old age
Decades later, health benefits of exercise persist in male athletes’ bones.
- Climate
Kangaroo gut microbes make eco-friendly farts
Understanding kangaroos’ low-methane flatulence could help researchers lower greenhouse gas emissions from livestock.
- Animals
A parasitic cuckoo can be a good thing
Great spotted cuckoo chicks show that brood parasites may benefit their hosts.
- Life
Human noses know more than 1 trillion odors
Sense of smell displays a vast reach in study of people’s ability to distinguish between scents.
- Animals
Like a boomerang, relocated python comes back again
Burmese pythons, which have invaded the Everglades, can find their way home when people move them dozens of kilometers.
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
- Cosmology
Gravitational waves unmask universe just after Big Bang
For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.
- Physics
A tractor beam reels in objects with sound
A tractor beam of focused sound waves has pulled on an object as large as a Toblerone chocolate bar.
