Why do animals have different pupil shapes?
It’s easy to think of the pupil as a simple hole that dilates in darkness and contracts in light. But if you look across the animal kingdom, you’ll see a wide variety of pupil shapes. For example, a vertical slit in cats and snakes, a horizontal rectangle in goats and horses, and a W-shaped crescent […]
Are AI tokens a new signing bonus or just a business cost?
This week, a topic that has been boomeranging around Silicon Valley is back in the spotlight: AI tokens as compensation. The idea is very simple. Companies don’t just give engineers salaries, stocks, and bonuses, they also give them budgets for AI tokens, the computational units that power tools like Claude, ChatGPT, and Gemini. You spend […]
Delve accused of misleading customers with ‘false compliance’
An anonymous Substack post published this week accuses compliance startup Delve of “falsely” convincing “hundreds of customers” that it complies with privacy and security regulations, potentially exposing those customers to “criminal liability under HIPAA and significant fines under GDPR.” Delve is a Y Combinator-backed startup that announced last year that it would raise $32 million […]
Why Wall Street wasn’t attracted to NVIDIA’s big conference
After Nvidia CEO Jensen Huang took the stage at the annual GTC keynote on Monday, the $4 trillion company’s stock price began to fall. Wall Street investors seemed unfazed by the leather-jacketed founder’s two-and-a-half-hour bullish speech. Instead, they focused more on AI’s uncertain future and bubble concerns. The tension on Wall Street is not unlike […]
The mechanism of nuclear fusion power generation and startups pursuing it
For decades, humans have sought to harness the power of the stars to generate electricity on Earth. And for just as long, achieving that goal seemed just a decade away. Now, a slew of startups are closer than ever, rushing to build fusion reactors that can power the grid. Fusion startups have attracted more than […]
FBI warns Russian hackers are targeting Signal, WhatsApp in massive phishing attack
Rabi LakshmananMarch 21, 2026Cyber espionage/threat intelligence The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) announced Friday that attackers affiliated with Russian intelligence agencies are conducting a phishing campaign to compromise commercial messaging applications (CMAs) such as WhatsApp and Signal and take control of the accounts of individuals with […]
This week’s science news: Super El Niño looms, Acropolis marble fragments resurface, creating pure hexagonal diamonds
This week’s science news was full of stories highlighting humanity’s complex and often troubled relationship with nature, with forecasters predicting a possible “Super El Niño” this summer. The National Oceanic and Atmospheric Administration (NOAA) Climate Prediction Center has announced that there is currently a 62% chance that an El Niño will occur between June and […]
‘That’s why there’s 9 billion of us and not 9 billion of some other primate’: Why our ability to adapt is humanity’s ‘superpower’
Humans have evolved the ability to live anywhere on Earth, thanks to gradual changes to our biology and our knack for developing new technologies, like clothes and shelter. This adaptability is often touted as being unique to our species, Homo sapiens. In his new book, “Adaptable: How Your Unique Body Really Works and Why Our […]
Why are humans the only species with jaws?
Humans are the only species with jaws, a trait not present even in our closest relatives. In fact, it’s an anatomical feature so unique that it’s one of the main features anthropologists use to identify Homo sapiens in the fossil record. However, despite these defining characteristics, surprisingly little is known about their evolutionary purpose. So […]
CISA flags Apple, Craft CMS, KEV’s Laravel bug and orders patching by April 3, 2026
Ravi LakshmananMarch 21, 2026Vulnerability/Threat Intelligence The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added five security flaws affecting Apple, Craft CMS, and Laravel Livewire to its Known Exploited Vulnerabilities (KEV) catalog, requiring federal agencies to patch them by April 3, 2026. The vulnerabilities being exploited are as follows: CVE-2025-31277 (CVSS Score: 8.8) – […]