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Callum has revealed a track-focused GT1 take on his reborn XJ220.

Vivid yellow paint sets the GT1 apart from the standard concept.

The design firm describes this as just a design study for now.

Update: As promised, Ian Callum’s design and coachbuilding outfit has dropped fresh photos of its reimagined Jaguar XJ220, this time with a twist. Where the first renders showed the standard version of the modernized supercar, the latest set previews a more focused interpretation of the concept called the GT1.

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“Finished in vivid yellow, the GT1 celebrates the spirit of the great GT cars of the past while exploring what that idea could become today,” said Callum.

More: Callum Skye Goes Up For Order As An Exclusive And Pricey EV

Ian Callum Designs

The big changes are all about aero. The GT1 wears a track-focused kit with a large front splitter and canards, more aggressive side skirts, and a massive wing rising from the rear fenders, all sitting on a new set of wheels.

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If it ever reaches production , there’s no word yet on whether the supercar would keep or rework the 3.5-liter twin-turbocharged V6 that made 542 hp (550 PS / 405 kW) and 475 lb-ft (644 Nm), sent through a 5-speed manual for a 0-60 mph (97 km/h) run in 3.6 seconds and a 212.3 mph (341.7 km/h) top speed. The other route would be dropping in a new V12, much like the original concept that never made it off the drawing board.

Original story continues below.

Ian Callum Designs

Ian Callum’s years at Jaguar gave us the XK, the XF, the C-X75, and the F-Type, a run of cars that defined the brand’s modern era. The XJ220 wasn’t among them, since it predated his tenure. He’s now corrected that gap on his own terms, with his namesake studio rolling out a modern take on the mid-engined Jaguar that once held the title of world’s fastest production car. Original story followes below.

So far Ian Callum Designs has put out two images, with the promise that more is on the way. For now, it’s simply referred to as a design study, so there’s certainly no guarantee this vehicle will actually hit the roads. However, we’re hopeful that it will, even if it’s only in strictly limited numbers.

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Read: Callum Will Build This V12 Wagon If Your Wallet Survives The Shock

While it’s been more than 30 years since the XJ220 was first released, it still looks superb, and Callum’s redesign makes it look a little more modern. While the gorgeous flowing silhouette has been retained, all of the exterior panels are new, starting with the front.

Among the tweaks we can see are the fitment of narrow LED headlights, which are obviously more modern than the flip-down headlights of the original. As with the classic XJ220, however, Callum’s 21st-century version retains a similar scuttle sitting between the windshield and hood, providing a tip of the cap to the supercar’s heritage.

What Else Has Changed?

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Along the sides, the car’s fenders have been transformed, as have the doors. The XJ220’s iconic side air intakes have also grown in size, while the shape of the side windows remains mostly untouched. Plenty of changes have been made to the rear of the car, too, including a new decklid free of the XJ220’s spoiler. There’s also a new diffuser and bumper.

While the firm describes this as a design study, the fact that Ian Callum Designs has already been able to transform two of the four C-X75 prototypes ever built leads us to believe it certainly has the ability to modernize an XJ220, or several of them. The catch is that the studio needs at least one current XJ220 owner willing to hand over their car and watch it change.

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Sony has announced that new PlayStation games will be digital-only beginning in 2028.

Existing disc-based games and games released before 2028 will be unaffected.

This makes PlayStation the first major console to go all-in on digital media.

Sony is killing physical PlayStation games: After next year, PlayStation games will no longer be printed on discs. Starting in 2028, all newly released games will be available exclusively digitally, with options to purchase games from Sony’s online storefronts or printed redemption codes at brick-and-mortar retailers.

Sony says the change “is a natural direction for Sony Interactive Entertainment to adapt to consumer trends,” adding that digital PlayStation game sales far outpace physical units shifted. Gaming may be more popular than ever, but physical game sales reportedly hit an all-time low last year. Still, fans aren’t pleased about the news.

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Life on Earth could continue for another 1.8 billion years, according to new research. This figure, which is based on complex climate models, is far longer than many previous studies indicated.

As the sun evolves, it is getting brighter. Our star is currently producing about a third more energy than it did at the dawn of the solar system 4.5 billion years ago. And it will continue to get hotter until it eventually dies in about 5 billion years .

Scientists have wondered for decades how long life on Earth will manage to cling to existence as the sun brightens. In 1982, James Lovelock and colleagues estimated that Earth's photosynthetic biosphere — which includes all plants and forms the basis for most of the planet’s biology — would end about 100 million years from now . Successive studies have pushed back the deadline for the death of all life on Earth .

In the new study, published May 28 in the journal JGR Atmospheres , researchers suggest that plant life could continue about 1.8 billion years into the future. That nears the time when Earth would lose its oceans to space, either through radiation splitting water atoms or runaway evaporation, in about 2 billion years.

"We were trying to show that life on Earth — complex vegetation — could survive longer into the future than previous studies had shown," study co-author Jacob Haqq-Misra , an astrobiologist at space exploration charity Blue Marble Space , told Live Science.

The boundaries of life

Life on Earth relies on photosynthesis , the process used by plants, algae and some bacteria to turn sunlight into energy. The mechanism chemically converts carbon dioxide and water into sugars and oxygen. It requires both CO 2 and sunlight.

But at certain temperatures, plants' photosynthetic machinery shuts down. Eventually, the sun will warm Earth to the point that plants are no longer able to photosynthesize, which would in turn cause entire food webs to collapse and all life to perish.

Another issue is that as the sun dies and it gets brighter, there will be less carbon dioxide in the atmosphere, effectively starving plants.

Plants turn sunlight into energy, but at certain temperatures this ability shuts down. (Image credit: lamyai via Getty Images) "The Earth has stayed pretty hospitable in terms of surface temperature for most of the last 4 billion years because it has a built-in thermostat" by storing CO 2 in rocks and releasing it during volcanic eruptions, Robert Graham , a planetary science researcher at the University of Chicago, who was not involved in the research, told Live science.

When it is hotter, the planet pulls more carbon dioxide out of the atmosphere and stores it in rocks underground, Graham said. This offsets the warming to keep the temperature stable but means that the carbon dioxide isn't accessible to plants.

Climate models and extreme plants

In the new study, Haqq-Misra and colleague Eric Wolf , a research scientist at Blue Marble Space, used 29 climate models to estimate what would happen to Earth's vegetative biosphere under different scenarios. They used the two extreme cases as limits — when Earth is too hot for life but the CO 2 was stable; and when there is not enough CO 2, but the temperature was stable. They then looked at the range of CO 2 and sunlight conditions in between those extremes. This enabled them to include situations in which Earth was very efficient at pulling carbon from the atmosphere when temperatures started rising.

They also included information about a variety of plants. Some plants can survive on a much lower ratio of atmospheric CO 2 than others. The study included plants that have a special photosynthetic process (known as crassulacean acid metabolism ), such as succulents and orchids. These plants can sustain themselves on relatively tiny amounts of CO 2 . The same is true of some marine plants , which can dissolve and access carbon in the ocean system.

Other experts were impressed by the findings.

"Haqq-Misra and Wolf have used a sophisticated 3D climate model to show that Earth's climate may remain hospitable to plant life significantly longer into the future than predicted" by simpler models, said Graham, who authored one of those earlier studies . "It's an advance over previous work and suggests that complex biospheres like that of Earth are more resilient to environmental change from stellar brightening than previously suggested."

Looking to the future

Andrew Rushby , an astrobiologist at Birkbeck University of London who was not involved in the research, told Live Science that the paper updated the concept of the lifetime of the biosphere. However, he cautioned that the results remained "broad estimates."

"It is not possible for us to predict or know the possible evolutionary adaptations that the photosynthetic biosphere may undergo in response to increasing solar output and lower [atmospheric CO 2 ], especially over billions of years," he said.

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In their paper, the authors wrote that "limits posed by thermal stress or starvation may only reflect our observations of the biosphere today rather than hard limits on how the biosphere may evolve." There is also no way of knowing how life might adapt to new circumstances.

Haqq-Misra said that he found the results comforting. "Earth's system is resilient, and we are part of something that could have a much, much longer future," he said.

The results could also help scientists figure out what the thresholds could be on other planets. "Part of the challenge is starting with these Earth-based models, and then generalizing the physics as much as possible to be able to simulate a wider range of atmospheres," he said.

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