2371
How much did the Apollo program cost?
The U.S spent $25.8 billion on Project Apollo ($309 billion when adjusted for inflation). This dataset provides annual expenditures and additional cost…
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 2,419 posts.
2372
Coronavirus (COVID-19) Testing
Explore data on COVID-19 testing across the world.
2373
How reliable are climate models?
<p>While there are uncertainties with climate models, they successfully reproduce the past and have made predictions that have been subsequently confirmed by observations.</p>
2374
How do CO2 emissions compare when we adjust for trade?
Which countries are net importers and exports of emissions? How much CO2 is ‘offshored’?
2375
Hunger and Undernourishment
What are the consequences of undernourishment and how can we make progress against hunger and undernourishment?
2376
Two-Thirds of Americans Think Government Should Do More on Climate
There is bipartisan support for several proposals to reduce the effects of climate change, especially for large scale tree-plantings to help absorb carbon emissions and offering tax credits to businesses that capture carbon emissions.
2377
Environmental Impacts of Food Production
What are the environmental impacts of food production? How do we reduce the impacts of agriculture on the environment?
2378
Nuclear Power in China
China has become largely self-sufficient in reactor design and construction, as well as other aspects of the nuclear fuel cycle. The strong impetus for nuclear power in China is increasingly due to air pollution from coal-fired plants.
2379
Molecular Expressions: The Silicon Zoo
This page contains a photomicrograph of the surface of a Digital VAX microprocessor containing a phrase written in Russian.
2380
The short history of global living conditions and why it matters that we know it
Very few think the world is making progress. In this article, we look at the history of global living conditions and show that the world has made immense progress in important aspects.
2381
You want to reduce the carbon footprint of your food? Focus on what you eat, not whether your food is local
“Eat local” is a common recommendation to reduce your diet's carbon footprint. How does the impact of what you eat compare to where it comes from?
2382
U.S. Public Views on Climate and Energy
A majority of U.S. adults say they are taking at least some specific action in their daily lives to protect the environment, though Democrats and Republicans remain at ideological odds over the causes of climate change and the effects of policies to address it.
2383
Fossil Fuels
Fossil fuels were key to industrialization and rising prosperity, but their impact on health and the climate means that we should transition away from them.
2384
What are the safest and cleanest sources of energy?
Fossil fuels are the dirtiest and most dangerous energy sources, while nuclear and modern renewable energy sources are vastly safer and cleaner.
2385
Guns and suicide: A fatal link
In the United States, suicides outnumber homicides almost two to one. Perhaps the real tragedy behind suicide deaths—about 30,000 a year, one for every 45
2386
Solar electricity every hour of every day is here and it changes everything
Batteries are now cheap enough to unleash solar energy’s full potential, getting as close as 97% of the way to delivering constant electricity supply 24 hours across 365 days cost-effectively in the sunniest places.
2387
Around 90% of all river-borne plastic that ends up in the ocean comes from just 10 rivers
The world has become increasingly alarmed at the amount of plastic in its oceans. But where does all this plastic waste come from?
2388
Mortality Risk of COVID-19
Explore data on the mortality risk of COVID-19 across the world.
2389
Plans For New Reactors Worldwide
Nuclear power capacity worldwide is increasing steadily. Most reactors under construction are in the Asian region. Significant further capacity is being created by plant uprating.
2390
War and Peace
How common are armed conflict and peace between and within countries? How is this changing over time? Explore research and data on war and peace.
2391
Viral Loads Similar Between Vaccinated and Unvaccinated People
A new study from the University of California, Davis, Genome Center, UC San Francisco and the Chan Zuckerberg Biohub shows no significant difference in viral load between vaccinated and unvaccinated people who tested positive for the delta variant of SARS-CoV-2. It also found no significant difference between infected…
2392
Child and Infant Mortality
Child mortality remains one of the world’s largest problems and is a painful reminder of work yet to be done. With global data on where, when, and how child deaths occur, we can accelerate efforts to prevent them.
2393
Impact of fluoride on neurological development in children
July 25, 2012 -- For years health experts have been unable to agree on whether fluoride in the drinking water may be toxic to the developing human brain.
2394
Mortality in the past: every second child died
The chances that a newborn survives childhood have increased from 50% to 96% globally. How do we know about the mortality of children in the past? And what can we learn from it for our future?
2395
CO₂ emissions
How much CO₂ does the world emit? Which countries emit the most?
2396
U.S. could feed 800 million people with grain that livestock eat, Cornell ecologist advises animal scientists
From one ecologist's perspective, the American system of farming grain-fed livestock consumes resources far out of proportion to the yield, accelerates soil erosion, affects world food supply and will be changing in the future.
2397
Our World in Data
Research and data to make progress against the world’s largest problems.
2398
Cars, planes, trains: where do CO₂ emissions from transport come from?
Transport accounts for around one-fifth of global CO₂ emissions. Three-quarters of this is from road transport.
2399
Cleaner Cars from Cradle to Grave
Over their lifetime, battery electric vehicles produce far less global warming pollution than their gasoline counterparts—and they’re getting cleaner.
2400
Vitamin D toxicity: What if you get too much?
Understand the risks of taking high doses of this vitamin in supplement form.