Science News
Mathematician cracks centuries-old problem about the number 33
New Scientist - 14 Mar 2019 08:00
Can you make every number using three cubed numbers? It is a surprisingly difficult question and now we know the answer for 33
Research paves the way for next generation of optical tweezers
Phys.org - 14 Mar 2019 15:59
Scientists have developed a pioneering new technique that could pave the way for the next generation of optical tweezers.
From mirror-image biology to enhanced therapeutic proteins
Science Daily - 14 Mar 2019 21:17
Scientists have succeeded in reconstructing biomolecules in their mirror-image form. The researchers' goal is to create a mirror-image artificial protein synthesis system. Their aim is to produce mirror-image therapeutic...
Vaccine study confirms sensitivity of cholera test
Science Daily - 14 Mar 2019 21:16
Recently, the sensitivity of fecal microbiological cultures for detecting cholera has come under question. Researchers investigated this claim using a 'vaccine probe' analysis of a completed cholera vaccine cluster rando...
Central American kidney disease epidemic linked to occupational heat exposure
Science Daily - 14 Mar 2019 21:16
For two decades, Nicaragua and El Salvador have seen increasing mortality from an unusual form of chronic kidney disease (CKD), also called Mesoamerican Nephropathy (MeN). The disease has disproportionately affected suga...
How a mitochondrial enzyme can trigger cell death
Science Daily - 14 Mar 2019 21:16
Cytochrome c is a small enzyme that plays an important role in the production of energy by mitochondria. It is also involved in signaling dangerous problems that warrant apoptosis, or programmed cell death. Using solid-s...
Most countries in sub-Saharan Africa not on track for under-5 mortality reduction goal
Science Daily - 14 Mar 2019 21:16
The relatively slow pace of neonatal and under-5 mortality reduction could prevent most countries in sub-Saharan Africa from achieving targets set in Sustainable Development Goal 3 (SDG-3) by 2030, according to a new stu...
Narwhals spend at least half time diving for food, can fast for several days after meal
Science Daily - 14 Mar 2019 21:16
Narwhals -- enigmatic arctic whales known for their sword-like tusk -- spend over half their time diving to find food but are also able to last up to three days without a meal, according to a new study.
Unique diversity of the genetic history of the Iberian Peninsula revealed by dual studies
Science Daily - 14 Mar 2019 21:15
Researchers have analyzed ancient DNA from almost 300 individuals from the Iberian Peninsula, spanning more than 12,000 years. The first study looked at hunter-gatherers and early farmers living in Iberia between 13,000 ...
College drinking intervention strategies need a refresh
Science Daily - 14 Mar 2019 18:50
Peer approval is the best indicator of the tendency for new college students to drink or smoke according to new research from Michigan State University. This new finding is key to help universities address the problems o...
Cell therapy could replace need for kidney transplants
Science Daily - 14 Mar 2019 18:32
Scientists are working on a promising approach for treatment of chronic kidney disease -- regeneration of damaged tissues using therapeutic cells.
Researchers find epigenetic loss that changes how cells obtain energy from cancer
Science Daily - 14 Mar 2019 18:32
It has been known for decades that cancer cells have an altered metabolism and it is seen in several biochemical pathways and in particular, in the way they get energy for their survival. Now, a new article describes an ...
The importance of puberty: A call for better research models
Science Daily - 14 Mar 2019 18:32
Puberty is much more than just a time of biological overdrive, propelled by sexual maturation. Progress in developmental science has greatly broadened the perspective of this critical maturational milestone.
Machine learning sheds light on the biology of toxin exposure
Science Daily - 14 Mar 2019 18:31
Scientists have developed a machine learning approach using high-quality, large-scale animal model data that sheds new light on the biology of the liver and kidneys after toxin exposure.
Researchers put machine learning on path to quantum advantage
Phys.org - 14 Mar 2019 17:10
There are high hopes that quantum computing's tremendous processing power will someday unleash exponential advances in artificial intelligence. AI systems thrive when the machine learning algorithms used to train them ar...
Einstein quiz: Can you guess which quotes are really his?
New Scientist - 14 Mar 2019 02:24
To celebrate Einstein's birthday, see if you can tell which quotes are from the great man of physics
Using an anti-smoking drug to control neurons
Neuroscience News - 14 Mar 2019 22:23
Study outlines a new ion channel based platform for cell activation which is controlled by low doses of the common anti-smoking drug, varenicline.
Guardians of the Synapse: A New Role For Schwann Cells Identified
Neuroscience News - 14 Mar 2019 20:45
Schwann cells help protect nerves against blood clotting factors that cause degeneration, researchers report.
Brain Wave Stimulation May Improve Alzheimer's Symptoms
Neuroscience News - 14 Mar 2019 20:33
Multisensory gamma wave stimulation improves recognition and spatial memory, in addition to reducing amyloid in the auditory cortex and hippocampal CA1 areas of mice. Findings suggest such sensory stimulation boosts hipp...
More vitamin D may improve memory but too much may slow reaction time
Neuroscience News - 14 Mar 2019 20:08
Taking higher doses of vitamin D supplements can help improve memory and learning, but negatively impacts reaction time in postmenopausal women with a higher BMI. Researchers suggest the slowed reaction times may contrib...
Are we at the limits of measuring water-repellent surfaces?
Phys.org - 14 Mar 2019 20:00
How liquids are repelled by a surface, a property called "wettability," is important for engineers to develop aircraft that resist ice formation, for fashion designers developing outdoor gear that repels rain and dirt, a...
Humans couldn't pronounce 'f' and 'v' sounds before farming developed
New Scientist - 14 Mar 2019 20:00
The development of agriculture in the Neolithic transformed world languages thanks to softer food - a finding that resolves a long-standing puzzle of the origin of speech sounds