91
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 280 posts.
92
SR-71 Blackbird Speed Check Story
There were a lot of things we couldn't do in an SR-71, but we were the fastest guys on the block and loved reminding our fellow aviators of this...
93
Tumor-destroying sound waves receive FDA approval for liver treatment in humans
The U.S. Food and Drug Administration has approved the use of sound waves to break down tumors—a technique called histotripsy—in humans for liver treatment.
94
MIT engineers create an energy-storing supercapacitor from ancient materials
MIT engineers created a carbon-cement supercapacitor that can store large amounts of energy. Made of just cement, water, and carbon black, the device could form the basis for inexpensive systems that store intermittently renewable energy, such as solar or wind energy.
95
How we plan to de-extinct the Dodo bird
Join us in witnessing the legendary dodo's resurrection. Explore scientific breakthroughs, conservation efforts, and the ethical implications.
96
Full ignition for ESA’s reusable rocket engine
Work to develop a reusable engine for European rockets is progressing, with full ignition of an early prototype of Prometheus. These images were taken on 22 June 2023 at ArianeGroup’s test facility in Vernon, France during a 12-second burn.
97
How bioelectricity could regrow limbs and organs
Biologist’s innovative research on how cells rebuild themselves could be the future of regenerative medicine
98
Exercise increases number of immune cells in cancer patients
Two new Finnish studies show that short bouts of light or moderate exercise can increase the number of immune cells in the bloodstream of cancer patients.
99
Low-cost open source device can measure air pollution anywhere
Flatburn is an open-source, mobile pollution detector from the MIT Senseable City Lab intended to let people measure air quality cheaply.
100
101
Leonardo da Vinci’s experiments explored gravity as a form of acceleration
A new look at da Vinci’s papers reveals his insightful attempts to probe the nature of gravity 500 years ago
102
Birds make nests out of anti-bird pins
Biologists present the latest innovation in nest building: bird nests made from anti-nesting spikes.
103
Juice’s RIME antenna successfully unjammed
More than three weeks after efforts began to deploy Juice’s ice-penetrating Radar for Icy Moon Exploration (RIME) antenna, the 16-metre-long boom has finally escaped its mounting bracket.
104
105
New antifungal therapy for fungal meningitis
A team of University of Minnesota Medical School researchers successfully tested a new antifungal therapy to treat fungal meningitis. The trial results were published today in the peer-reviewed journal Clinical Infectious Diseases.
106
Shutting down nuclear power could increase air pollution: study
An MIT study shows that if U.S. nuclear power plants are retired, the burning of coal, oil, and natural gas to fill the energy gap could cause more than 5,000 premature deaths.
107
Coffee grounds make concrete 30% stronger
Engineers in Australia have found a way of making stronger concrete with roasted used-coffee grounds, to give the drink-additive a “double shot” at life.
108
109
Farms that create habitat key to food security and biodiversity
Diversified farming is an important complement to forest protections for reversing tropical biodiversity declines.
110
The Effects of Noise on Health (2022)
As you were browsing something about your browser made us think you were a bot. There are a few reasons this might happen:
111
Printed robots with bones, ligaments, and tendons
For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique.
112
TACF is no longer supporting development of D58 American chestnut trees
In December 2023, The American Chestnut Foundation (TACF) withdrew its support for SUNY-ESF’s Darling transgenic chestnut project. Since then, we’ve received questions about the decision and what’s next for the Darling line. We appreciate those questions because they indicate a deep interest in our mission and reflect…
113
Study Suggests Fructose Could Drive Alzheimer's Disease
An ancient human foraging instinct, fueled by fructose, may hold clues to the development of Alzheimer’s disease, according to researchers.
114
Guinea worm disease is close to being eradicated (2022)
In the late 1980s, there were near a million new cases of guinea worm disease recorded worldwide. In 2021, there were only 15. How was this achieved?
115
What happens in the brain while daydreaming?
Observations in mice hint at role of daydreams in remodeling the brain
116
Mach 3.5 Over Libya in an SR-71 Blackbird
In April 1986, following an attack on American soldiers in a Berlin disco, President Reagan ordered the bombing of Muammar Qaddafi's terrorist camps in Libya. My duty was to fly over Libya and take photos recording the damage our F-111's had inflicted. Qaddafi had established a 'line of death,' a territorial marking…
117
Ceasing print publication of ACM journals and transactions
Ceasing Print Editions for ACM Journals and Transactions
118
UBC device uses wood dust to trap up to 99.9 per cent of microplastics in water
UBC scientists create device that uses wood dust to trap up to 99.9 per cent of microplastics in water.
119
SARS-CoV-2 Infection Affects Energy Stores in the Body, Causing Organ Failure
An international research team, including Jonathan C. Schisler, PhD, in the UNC School of Medicine, has found how SARS-CoV-2 causes widespread “energy outages” throughout major organs, and how these effects contribute to debilitating long COVID symptoms.
120
Study finds elevated levels of toxic metals in some juices and soft drinks
A new study has found that some commonly consumed beverages contained levels of toxic metals that exceed federal drinking water standards.