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BLACK HOLE GROWTH. “Mergers appear to be a physically well-motivated candidate for producing this dramatic effect, and semi-empirical calculations have shown that there is a statistical consistency between the observed merger rate and the observed AGN duty cycle and luminosity function (LF), suggesting that it is at least possible that these processes are causally linked.” (AGN = active galactic nuclei). https://lnkd.in/d9JV8md View in LinkedIn

How a feather in the wild, the rain, and mud, can retain such a perfect form has to do with two things: its barbed structure which hooks the pieces in place, and the fine coating of natural water-resistant talcum powder from the bird’s skin. View in LinkedIn

The microclimate afforded by trees is physically similar to swimming in the sea and coming across layers of unmixed water at different temperatures. View in LinkedIn

BACTERIAL IMMUNITY. “Together with the Cas enzymes of the CRISPR system, these spacers allow the bacteria to recognize non-self DNA and remove it before it is incorporated into the genome. Hence, the bacteria can have "memory" of a previous infiltration, which helps it respond to any future attempts.” The basis of our new-found gene editing ability. https://lnkd.in/dSwmRvM View in LinkedIn

NEW LAWS. “The lowest temperature currently achieved in laboratories is of the order of picokelvins, i.e. many orders lower than the average temperature of the universe T = 2.73 K. At these temperatures we gain access to a world of exotic phenomena and physics that was once ordinary becomes extraordinary.” The laws of physics at extreme temperatures, densities and pressures are unknown, all common in the cosmos. https://lnkd.in/d63FZYV View in LinkedIn

APPRECIABLE EFFECT. “Gas accretion on to BHs due to disc instabilities seems to be a non-negligible trigger mechanism for moderately luminous AGN with BH masses 10(7) < M• < 10(8) M⊙ at low redshift.” (BH = black hole; AGN = active galactic nuclei). https://lnkd.in/d9JV8md View in LinkedIn

FEEDBACK LOOP. “In our model, the gas content of massive galaxies is strongly dependent on the radio-mode AGN feedback, which suppresses cooling in massive haloes at low redshift. Low cold gas fractions may retard the loss of angular momentum due to smaller viscosity and thus, the cold gas flow on to the central BH may be suppressed.” (BH = black hole; AGN = active galactic nuclei). https://lnkd.in/d9JV8md View in LinkedIn

GORGING. “The BH-to-bulge mass ratio was larger at higher redshifts than expected from the local BH–bulge mass relation. This eventually implies that BHs were accreting more gas and thus, growing faster than the corresponding bulges at high redshifts than at lower ones.” (BH = black hole). https://lnkd.in/d9JV8md View in LinkedIn

BALLOON EFFECT. “Due to the exponential growth of the BHs during accretion, it is also very difficult to use the local population of massive BHs to recover information about their original masses before the onset of accretion.” (BH = black hole). https://lnkd.in/d9JV8md View in LinkedIn

WOBBLY DISCS. “In a cosmological context, the expected rapid inflows can lead to more violent ‘stream fed’ disc instabilities, particularly at high redshift, which may drive BH feeding at high rates, and more dramatic morphological/dynamical transformation.” (BH = black hole). https://lnkd.in/d9JV8md View in LinkedIn