/f/science
Submitted by BoundariesAreFun t3_yksary
Submitted by 9mac t3_ykj30k
30 minutes of car preheating in sub-zero conditions produces as much particulate emissions as driving 97km in a gasoline car, or 20km in a diesel car “These findings do not suggest to stop preheating cars; instead, we could reduce the emissions by using similar methods that are in place for engine”
uef.fiSubmitted by giuliomagnifico t3_yk2sm8
Decarboxylation of cannabidiolic acid (CBDA) is an important step for efficient production of the active pharmaceutical component cannabidiol (CBD) in Cannabis species. Acidic cannabinoids (ACBs) can be easily transformed into neutral cannabinoids via loss of carbon dioxide when exposed to heat
jast-journal.springeropen.comSubmitted by The_R3venant t3_z6354b
The polarization of politics and public opinion and their effects on racial inequality in COVID mortality: evidence suggests that shrinking gap in US COVID-19 racial death disparities driven by political division and increasing total deaths among Whites rather than decreasing deaths among Blacks
journals.plos.orgSubmitted by Dizzy_Slip t3_yjlbdl
Researchers show that the same system in the brain that enables us to avoid danger is also activated during selfless, helping behaviour: “These results contradict the conventional wisdom that we need to suppress our own fear system in order to help others who are in danger”
news.ki.seSubmitted by giuliomagnifico t3_yjj3qn
New harvester amplifies electric power generated from human walking motion by about 90 times. Since the power generation performance can be improved without increasing the device size, the technology is expected to generate power to drive small wearable devices from non-steady vibrations
upc-osaka.ac.jpSubmitted by Wagamaga t3_z8sge3
Newly discovered “social fluid” unites ants across developmental stages into one, colony-wide superorganism. The study, published in Nature, describes how larvae rely on the fluid to grow and how, if they fail to drink it, intermediate-stage pupae die before reaching adulthood.
rockefeller.eduSubmitted by brokeglass t3_z8vbb0
Blood sample tests for cardiac troponin proteins are an important tool in the diagnostics of heart attack, but the result may be elevated also due to other conditions. A newly developed test helps separate heart attack patients from others based on the size of the troponin molecules.
utu.fiSubmitted by universityofturku t3_yj60v0
Being a young man, religious, and with a high income, may make you more likely to gamble on sports, according to international research which also suggests that betting on sports, daily fantasy league play, and betting on e-sports all increase the risk of developing a gambling problem.
scimex.orgSubmitted by MistWeaver80 t3_yiw8cn
Cooking from meal boxes can cut household food waste by 38%. Even without subscribing to a meal box provider, our results suggest that taking care to measure and weigh the exact amount of ingredients you need before cooking is a good way to lower the amount of food sent to landfill
theconversation.comSubmitted by Wagamaga t3_yij6d1
After the city of Atlanta banned use of scooters and e-bikes from 9pm to 4am, average evening commute times increased by 10.5% — 37% during large events — due to increased traffic congestion, resulting from a significant substitution of micromobility devices for personal vehicles.
iac.gatech.eduSubmitted by MurphysLab t3_yiixmf