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Enlarge / Nvidia's "Lovelace" RTX 4000 GPUs will be faster than the top-end RTX 3090 Ti. (credit: Nvidia)

It has been nearly two years since Nvidia introduced its Ampere GPU architecture in the GeForce RTX 3080, and the company is reportedly gearing up to announce its replacement. Tom's Hardware reports, based on tweets from a normally reliable leaker, that the RTX 4000-series and its Lovelace GPU architecture will begin rolling out early in Q3 of this year.

It has been so difficult to buy Nvidia's RTX 3000-series GPUs for so long that it feels almost too soon to be talking about their replacements, though there was a similar two-year-ish gap between the first RTX 2000 GPUs and the RTX 3000 series. The difference is in how long it took Ampere to trickle all the way down to the bottom of the lineup. The Turing architecture debuted in September 2018 and had made its way down to the low-end GeForce GTX 1650 by April 2019; the first Ampere cards appeared in September 2020 but didn't come to the GeForce RTX 3050 until January 2022.

Other reports from the same source suggest that the RTX 4000 GPU could be a big boost over the top-end RTX 3090 Ti, stepping up from 84 of Nvidia's streaming multiprocessors (SMs) to somewhere between 126 and 140 SMs. The supposed RTX 4090 will come with 24GB of GDDR6 RAM (the same amount as the RTX 3090 and 3090 Ti) and is said to roughly double the RTX 3090's performance within the same 450 W power envelope. Whether any of these performance claims are true remains to be seen—Nvidia's GPUs do typically offer impressive performance bumps between generations, but double the performance in the same power envelope would be an anomalously large jump, historically speaking.

Enlarge / This mosaic consists of 16 different data sets from the NASA/ESA Hubble Space Telescope that were studied as part of the Asteroid Hunter citizen science project. Each of these data sets was assigned a color based on the time sequence of exposures. The blue tones represent the first exposure in which the asteroid was captured, and the red tones represent the last. (credit: ESA/Hubble & NASA, S. Kruk (ESA/ESTEC), Hubble Asteroid Hunter citizen science team, M. Zamani (ESA/Hubble))

On International Asteroid Day in 2019, a group of research institutions launched a program that could make a deep impact on our knowledge of the diminutive bodies. Using citizen science to train a machine-learning algorithm, the Hubble Asteroid Hunter project identified more than 1,000 new asteroids; the discoveries could help scientists better understand the ring of heavenly bodies that primarily float between Mars and Jupiter.

Asteroid Hunter is a collaborative effort between various groups, including the European Science and Technology Centre, the European Space Astronomy Centre’s Science Data Centre, the Zooniverse citizen science platform, and Google.

Back in 2019, the researchers sent out a call for citizen scientists to collaborate on the crowd-sourced effort. Through the Zooniverse platform, 11,400 members of the public from around the world identified asteroid trails in 37,000 composite images taken by the Hubble Space Telescope between 2002 and 2021. The citizen scientists pored over the images for a year and identified more than 1,000 trails.

Enlarge / The US Supreme Court Building. (credit: Getty Images | Grant Faint)

Big Tech lobby groups have asked the US Supreme Court to block a Texas state law that prohibits social media companies from moderating content based on a user's "viewpoint."

The state's so-called "censorship" law was previously blocked by a federal judge who ruled that it violates the social networks' First Amendment right to moderate user-submitted content. But the law was reinstated last week by the US Court of Appeals for the Fifth Circuit, which granted Texas Attorney General Ken Paxton's motion to stay the preliminary injunction.

The Fifth Circuit ruling came in a majority vote of three judges. Instead of seeking an en banc hearing with all the Fifth Circuit court's judges, two tech groups submitted an emergency application to the Supreme Court on Friday. The appeal was filed by NetChoice and the Computer & Communications & Industry Association (CCIA), which represent companies including Amazon, eBay, Facebook, Google, Twitter, and Yahoo.

Enlarge / Sony's previous teases suggested that we'd see more games in this week's list of the revamped PlayStation Plus game selection. (credit: Sony Interactive Entertainment)

Starting next week, the PlayStation Plus subscription service will relaunch exclusively in Asia across PlayStation and PC platforms, with other regions' relaunches to follow throughout June. With such little time to go, Sony has decided to finally begin revealing its launch game selection across a new series of subscription tiers.

But Sony's Monday announcement falls well short of advertising we've previously seen. We now know that 119 games are coming to three PlayStation Plus "collections," and they will be available in the service's $15/month "Premium" tier (with fewer games in the $10/month "Extra" tier). That number comes nowhere close to the "up to 740 games" count across six generations of PlayStation systems that Sony previously suggested would be coming.

Sony representatives did not immediately answer questions about whether this availability gap will narrow once the service rolls out. For now, we're left with the announcement's tease that more games may appear between now and next week, as Sony is calling this initial 119-strong list "some of the games" coming to the refreshed PlayStation Plus library.

Enlarge / Sony's previous teases suggested that we'd see more games in this week's list of the revamped PlayStation Plus game selection. (credit: Sony Interactive Entertainment)

Starting next week, the PlayStation Plus subscription service will relaunch exclusively in Asia across PlayStation and PC platforms, with other regions' relaunches to follow throughout June. With such little time to go, Sony has decided to finally begin revealing its launch game selection across a new series of subscription tiers.

But Sony's Monday announcement falls well short of advertising we've previously seen. We now know that 119 games are coming to three PlayStation Plus "collections," and they will be available in the service's $15/month "Premium" tier (with fewer games in the $10/month "Extra" tier). That number comes nowhere close to the "up to 740 games" count across six generations of PlayStation systems that Sony previously suggested would be coming.

Sony representatives did not immediately answer questions about whether this availability gap will narrow once the service rolls out. For now, we're left with the announcement's tease that more games may appear between now and next week, as Sony is calling this initial 119-strong list "some of the games" coming to the refreshed PlayStation Plus library.

Enlarge (credit: By Nilsf - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=23446041)

A recent toxicology analysis of the 500-year-old remains of two small children sacrificed in a ritual atop southern Peru’s Ampato volcano showed that the children’s hair and fingernails contained traces of cocaine, as well as two chemical compounds from a flowering vine that’s a key ingredient in the psychedelic beverage ayahuasca.

The compounds in question, harmine and harmaline, are both part of a group of antidepressants called MAOIs (monoamine oxidase inhibitors). The only possible place the Inca could have found these compounds is the flowering vine known to modern science as Banisteriopsis caapi—and to the Indigenous Quechua people as “liana of the dead.” Famously, the liana is one of the two main ingredients in a ritual drink called ayahuasca, which can induce hallucinations or an altered state of mind.

But the analysis found no trace of the compound DMT (N,N-Dimethyltryptamine), which makes ayahuasca such a powerful hallucinogenic. That compound comes from the other main ingredient in ayahuasca, a shrub called chacruna (which, incidentally, is a relative of the plant that gives us coffee).