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Without dinosaurs, there'd be no Thanksgiving dinner

Popular Science

Science Biology Without dinosaurs, there'd be no Thanksgiving dinner The evolution of today's beloved side dishes took off 66 million years ago. Breakthroughs, discoveries, and DIY tips sent every weekday. It's hard to pick a favorite dish on your Thanksgiving plate. But regardless of your selection, there's a decent chance its history can be traced back to one of the most cataclysmic events in Earth's history. "The dinosaurs' absence meant changes in the forest structure-you went from a more open canopy to a more-closed canopy rainforest," explained Mike Donovan, a paleobotanist and the fossil plants collections manager at Chicago's Field Museum .


Why smelling a pine tree can instantly lift your mood

Popular Science

Our noses take a shortcut to our happiest memories. Breakthroughs, discoveries, and DIY tips sent every weekday. Pine is one of those scents that can change a room, and your mood, in an instant. One whiff, and suddenly you're transported to a world of woodsy snowscapes, twinkling lights, a fresh-cut tree shedding needles in your childhood living room . The scent soothing and joyful but why? Turns out the answer has less to do with what's inside the tree, and everything to do with what's inside us.


Walmart's Black Friday Dyson deals are here: Save up to 300 on vacuums and air purifiers

Popular Science

Gear Home Walmart's Black Friday Dyson deals are here: Save up to $300 on vacuums and air purifiers Dyson gear is never cheap, but Walmart has fans, air purifiers, and vacuums for their lowest prices of the year for Black Friday. We may earn revenue from the products available on this page and participate in affiliate programs. Dyson makes impressive home appliances, but they're not cheap. Walmart just dropped its full-on Black Friday deals and that includes year-low prices on Dyson vacuums and air purifiers . These prices likely won't get any lower if you wait, so you might as well just grab what you want now and make your home more comfortable with the power of engineering.


How to make sure you're getting a good deal on Black Friday

BBC News

How to make sure you're getting a good deal on Black Friday Whether you're excited for the seasonal sales or avoiding the shops altogether, it's hard to escape the countless emails and social media adverts on Black Friday deals. The US holiday - which falls this Friday - has been firmly adopted by UK retailers, and what was once a single day of sales now spans the weeks before and after. However eight in 10 deals promoted during this buying bonanza were cheaper or the same price outside of the four-week Black Friday period, according to research from consumer group Which? This suggests shoppers could get the same or a better deal at other times of the year. But if you're planning to buy now, here's how to make sure you bag a bargain.


These are the 67 best audio deals we've found for Black Friday, with editor-approved picks for every budget (updated)

Popular Science

Gear Audio These are the 67 best audio deals we've found for Black Friday, with editor-approved picks for every budget (updated) Hear me now: I review audio products all year and these are what I'd buy during Amazon's Black Friday sale, with dozens of headphones, earbuds, speakers, and more at their lowest prices of the year. We may earn revenue from the products available on this page and participate in affiliate programs. If you've been thinking about upgrading your audio setup--whether that's for New Release Fridays, movie night, outdoor runs, late-night gaming, or dialing in studio-grade sound--this batch of deals covers just about every scenario. From pocketable gaming buds to open-ear runners and serious audiophile cans, we've collected the standout picks on sale now. There have already been some great deals on JBL, Sony, Bose, and Beats products, among others, in Amazon's lead-up to Black Friday.


Leveraging Spatiotemporal Graph Neural Networks for Multi-Store Sales Forecasting

arXiv.org Artificial Intelligence

This work evaluates the effectiveness of spatiotemporal Graph Neural Networks (GNNs) for multi-store retail sales forecasting and compares their performance against ARIMA, LSTM, and XGBoost baselines. Using weekly sales data from 45 Walmart stores, we construct a relational forecasting framework that models inter-store dependencies through a learned adaptive graph. The proposed STGNN predicts log-differenced sales and reconstructs final values through a residual path, enabling stable training and improved generalisation. Experiments show that STGNN achieves the lowest overall forecasting error, outperforming all baselines in Normalised Total Absolute Error, P90 MAPE, and variance of MAPE across stores. Analysis of the learned adjacency matrix reveals meaningful functional store clusters and high-influence nodes that emerge without geographic metadata. These results demonstrate that relational structure significantly improves forecast quality in interconnected retail environments and establishes STGNNs as a robust modelling choice for multi-store demand prediction.


Optimization of Deep Learning Models for Dynamic Market Behavior Prediction

arXiv.org Artificial Intelligence

The advent of financial technology has witnessed a surge in the utilization of deep learning models to anticipate consumer conduct, a trend that has demonstrated considerable potential in enhancing lending strategies and bolstering market efficiency. We study multi-horizon demand forecasting on e-commerce transactions using the UCI Online Retail II dataset. Unlike prior versions of this manuscript that mixed financial-loan narratives with retail data, we focus exclusively on retail market behavior and define a clear prediction target: per SKU daily demand (or revenue) for horizons H=1,7,14. We present a hybrid sequence model that combines multi-scale temporal convolutions, a gated recurrent module, and time-aware self-attention. The model is trained with standard regression losses and evaluated under MAE, RMSE, sMAPE, MASE, and Theil's U_2 with strict time-based splits to prevent leakage. We benchmark against ARIMA/Prophet, LSTM/GRU, LightGBM, and state-of-the-art Transformer forecasters (TFT, Informer, Autoformer, N-BEATS). Results show consistent accuracy gains and improved robustness on peak/holiday periods. We further provide ablations and statistical significance tests to ensure the reliability of improvements, and we release implementation details to facilitate reproducibility.


What Bigfoot hunters get right (and very wrong)

Popular Science

'Bigfooters' often employ credible scientific methods in their searches. Breakthroughs, discoveries, and DIY tips sent every weekday. Bigfoot remains firmly in the realm of cryptozoology, along with the likes of the Loch Ness monster . However, its pursuers often are not the stereotypical crackpots depicted across pop culture. According to two social scientists, they frequently rely on widely accepted, reliable methods and tools to search for the elusive Sasquatch.


Get the Oura smart fitness tracking ring for as low as 249 during Amazon's Black Friday Week sale

Popular Science

Gear Wearables Get the Oura smart fitness tracking ring for as low as $249 during Amazon's Black Friday Week sale This indiscrete ring tracks heart rate, sleep, recovery rates, and other essential vitals without adding another screen to your life. We may earn revenue from the products available on this page and participate in affiliate programs. The Oura ring is an impressive wearable health-tracking tool that we awarded with a Best of What's New award back in 2024. Right now, Amazon has every model at its cheapest prices ever during the Black Friday Week sale. That means you can save up to $150, depending on what material you choose.


55 Best Early Black Friday Deals on WIRED-Tested Gear (2025)

WIRED

We found early Black Friday deals on WIRED-tested smart bird feeders, smartwatches, vacuums, and more. Black Friday and Cyber Monday are two of the biggest shopping holidays of the year. Falling on the Friday and Monday after Thanksgiving, it's safe to expect Black Friday deals on thousands of items big and small. As always, the WIRED Reviews team will be scouring the internet to find truly good deals on items we've actually hand-tested and would recommend to a friend. While the official sales have not yet started, there are already some great early discounts on reliable gear.