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Aspens 'remember' past drought in their leaves, 3-year experiment finds
المصدر: Phys.org - latest science and technology news stories · نُشر
Drought is written into trees, appearing as narrow bands in their annual growth rings. But aspen may go farther, creating "functional memories" of previous dry years reflected in the chemistry of their leaves, according to new research by University of Utah biologists.
Drought is written into trees, appearing as narrow bands in their annual growth rings. But aspen may go farther, creating "functional memories" of previous dry years reflected in the chemistry of their leaves, according to new research by University of Utah biologists.
أخبار ذات صلة
Researchers call for national consortium to battle agriculture cyber threats
The threat of cyberattacks against American agriculture and food systems is growing, and Washington State University researchers are helping to lead a call for a national consortium of land-grant universities to study and combat the threat.
Phys.org - latest science and technology news stories ·
African antelopes spreading in New Mexico: How far could they go under climate change?
Majestic African antelopes known as gemsbok have been roaming the U.S. Southwest since their introduction in the 1960s and 1970s. Brought to New Mexico as a game species for hunting, gemsbok quickly settled in, expanding more than 100 kilometers (62 miles) from their introduction
Phys.org - latest science and technology news stories ·
AI and the climate crisis pose existential risks. The law offers a way to reduce them | Robert Reich
Liability lawsuits have held tobacco, oil and pharma companies to account in the past. AI investors won’t ignore this threat The most basic function of government is to protect people from harm. Two growing phenomena – the climate crisis and AI – pose escalating risks of extraord
Business | The Guardian ·
Three quantum-inspired cores leave opposite fingerprints on the ringing of black holes
Every black hole hides a question at its center. Einstein's theory predicts that whatever falls in is crushed into a singularity, a point of infinite density where the theory itself breaks down. Most physicists expect quantum gravity to replace that point with something finite. B
Phys.org - latest science and technology news stories ·
NASA advances LISA mission contributions with new test telescope
NASA has taken the next step in the process of developing a new all-glass telescope for the LISA (Laser Interferometer Space Antenna) mission, a space observatory designed to detect ripples in space-time called gravitational waves.
Phys.org - latest science and technology news stories ·