News
- Health & Medicine
Male circumcision fends off the most common STDs
Male circumcision prevents some genital herpes and human papillomavirus infections, a study in Ugandan adolescent boys and men shows.
- Space
Asteroid tracked from space to Earth
For the first time, researchers followed an asteroid from space to its crash into Earth, providing the opportunity to study an asteroid in a new way.
- Health & Medicine
Licorice may interfere with certain drugs
Studies in rats suggest that the active compound in licorice root can promote or hinder the availability of certain drugs.
- Animals
It’s not just his croak
Male tree frogs with redder vocal sacs prove more popular with females, even at night.
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Birds, bats leave different wakes
The aerodynamic tale left behind a bird is different from that left behind a bat.
- Health & Medicine
Early anesthesia may hinder kids’ learning
Young children who get general anesthesia more than once before age 4 may be at increased risk of developing a learning disability later in childhood, a new study finds.
- Agriculture
Fighting fungal weapons, not fungi
Scientists have engineered several compounds that target an enzyme that blackleg and black spot fungi use to thwart plant defense systems. The selective compounds are designed not to harm beneficial species while still protecting valuable crops.
- Space
Quantum entanglement can be too much of a good thing
An overdose of the spooky connection can break down quantum computing systems, researchers find.
- Health & Medicine
Tired brain defaults differently
Sleep deprivation may cause the brain to switch to default mode when it should be paying attention.
- Health & Medicine
Junior moments
A new study finds that young adults actually had more "senior moments" than did older people.
- Animals
Dogs show a fetching communication savvy
In a sign of understanding that one object can be used to represent another, border collies fetch toys after being shown replicas or, in some cases, photos of those toys.
- Space
Brines on Mars
Unusually high concentration of perchlorate salts found in Martian soil suggests that the Red Planet may harbor shallow, extremely briny oceans just below its surface. The existence of these brines may explain a host of puzzles on Mars.
